Now that you are here, you must be looking for the best 2.5 mm drill bit! If you aren’t for it, you shall use our search and look for the topic you are interested in. As this piece is a lengthy one and covers a few more aspects other than the best list, they are the best 2.5 mm drill bit brands in United States of America and a buyer’s guide for making an informed buying decision.
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Best 2.5 mm drill bit in 2021
1. uxcell Reduced Shank Twist Drill Bits 2.5mm High Speed Steel 4341 with 2.5mm Shank 5 Pcs -Tools & Home Improvement
By uxcell
More Pictures- Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass and metal materials
- High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
- Reduced Shank: Reduced shank drill expands the size range capacity of a portable drill chuck
- Features: Cutting Edge Diameter : 2.5mm / 0.1″; Shank Diameter : 2.5mm / 0.1″; Cutting Edge Length: 26mm / 1.02″; Total Length : 55mm / 2.17″
- Common flute and overall length for minimal adjustment during tool changes
- Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
2. Autoly Dia 2.5mm HSS Cobalt Metric Twist Drill Bit Set M35 Steel Metal Straight Shank Electrical Drill Bit,Pack of 10 -Jobber Drill Bits
By Autoly
- Material – Twist drill bits are made of M35 cobalt steel ,added with molybdenum and cobalt so they can be formed to hardened alloy with heat resistance and wear resistance.
- Precision Grinding -Tip, groove, body, gap and drill diameter for maximum precision and performance.
- Dimension – Total length: 56mm / 2.2″; Shank diameter: 2.5mm / 0.1”; Drill diameter: 2.5mm/0.1″; Quantity: 10 Pcs
- Applicable Material – Suitable for processing non-ferrous metals (such as copper and aluminum), non-metal and ferrous metals (such as iron, steel and stainless steel).
- Straight Shank – Straight shank allows for secure and precise centering for electric and cordless drills and rotary drills.
3. Drill America DWDMM2.50P12 2.50mm High Speed Steel Drill Bit (Pack of 12), DWDMM Series -Jobber Drill Bits
- When run in a counterclockwise direction (right-hand cut) spiral fluted tools evacuate chips up and out of the cut to reduce clogging
- Ideal for production, maintenance or portable drilling jobs
- Round shanks allow use with a wide variety of toolholding systems
- Black oxide treatment adds lubricity and creates small pockets on the surface of the tool that act to hold coolant near the cutting edge
- High-speed steel tools are good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
4. uxcell 2.5mm Dia Split Point HSS Cobalt Metric Twist Drill Bit Drilling Tool 10pcs -Tools & Home Improvement
By uxcell
- Total Length: 58mm / 2.3″; Shank Diameter: 2.5mm
- Product Name: Twist Drill Bit; Package Content: 10pcs x Twist Drill Bit
- Fearure: Straight Shank; Color: Champagne Color
- Bit Diameter: 2.5mm; Weight: 28g
- Material: HSS, Cobalt; Flute Length: 25mm / 1″
5. SPKLINE 10 Pcs High Speed Steel Cobalt Drill Bit Set 2 Pcs of Each 1mm(3/64″), 1.5mm(1/16″) 2mm(5/64″) 2.5mm(3/32″) 3mm(1/8″) Jobber Length Twist M35 Metal Drill Bit For Stainless Steel And Hard Metal -Jobber Drill Bits
By SPKLINE
- Drill bits are packed in a Plastic Bag
- 135-degree split-point tip starts drilling immediately with less force and eliminates walking or skating across the work surface
- Very tough drill bit for heavy duty work drilling into stainless steel, light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, abrasive alloy metal, other hard metal and hardened steel
- 4 times life time than normal metal drill bit when drilling into PCB board, plastic, wood, jewelry, sheet metal and normal steel
- M35 Cobalt drill bits are made from industrial grade High Speed Steel with 5% cobalt alloy that is heat and abrasion-resistant
- Straight shank fits with electric and cordless power drill and rotary drill
- 10 pcs mini size cobalt drill bit set for micro hole drilling into various material, it contains 2 pcs of each 1mm(3/64″), 1.5mm(1/16″), 2mm(5/64″), 2.5mm(3/32″), 3mm(1/8″) diameter drill bit
6. uxcell Reduced Shank Twist Drill Bits 2.5mm High Speed Steel 4341 with 2.5mm Shank 10 Pcs -Tools & Home Improvement
By uxcell
- Common flute and overall length for minimal adjustment during tool changes
- Reduced Shank: Reduced shank drill expands the size range capacity of a portable drill chuck
- Features: Cutting Edge Diameter : 2.5mm / 0.1″; Shank Diameter : 2.5mm / 0.1″; Cutting Edge Length: 26mm / 1.02″; Total Length : 55mm / 2.17″
- Versatile Uses: For use in a wide range of stainless steel, aluminum alloy, iron, copper, brass and metal materials
- High Speed Steel Tool: High-speed steel straight shank tool is good for most general purpose applications, offering a combination of hardness and toughness for wear resistance
- Black & Gold Oxide Finish: Premium gold titanium and black nitride dual coating can apply lubricant better for smoother drilling and is more durable and corrosion resistant
7. uxcell PCB Drill Bits 2.5mm Tungsten Carbide Rotary Tool Jewelry CNC Engraving Print Circuit Board Micro Drill Bits 1/8″ Shank 10 Pcs -Tools & Home Improvement
By uxcell
- Long Tool Life: With high hardness, high wear resistance, high strength, resistance to bending, anti-impairment
- Made from Tungsten Carbide for precise, easy experience
- Specification: Cutting edge diameter (CED): 2.5mm; cutting edge length: 10mm; shank diameter: 3mm / 1/8″ (approx.) overall length: 38mm / 1-1/2″ (approx.)
- Great Use: Great for PC Boards, Plastics, Fiberglass, Wood, Soft Metals
- Fit for: PCB drilling machines, engraving machine, CNC and high precision special drilling equipment
- High Precision: With sharp cutting edge, milling groove and clean surface, these sets of tool work quickly and cleanly, no glitches or scrap left
- Spiral Flute Bits: Tip spiral flute drill bits with sharper cutting edge, reduce cutting force and prevent drill broken, improve the drilling accuracy
8. Drill America POUM3X.5 m3 x .5 Tap and 2.50mm Drill Bit Kit, POU Series -Jobber Drill Bits
- High speed steel plug hand threading tap is popular for use in general machine tapping or cnc tapping
- Set contains high speed steel plug hand tap and matching high speed steel drill bit
- Black oxide drill bit is ideal for production, maintenance or portable drilling jobs
- M3 x .5 hss plug tap and matching 2.50Mm hss drill bit in plastic pouch
- Set comes in plastic pouch
9. DelitonGude HSS M35 Cobalt Twist Drill Bits,Metric 2.5mm,High Speed Steel,Pack of 10,Suitable for Steels,Cast Iron and Other Metals(3/32inch,2.5mm) -Jobber Drill Bits
By DelitonGude
- Full-grinding Nitriding,Good Wear resistance,Durable,Spiral groove design, well chip removal performance.135 Tip & Twist Design,Increases cutting speed with self-centering and prevents walking.
- Great product and very good quality
- The blades are very sharp and they drill into metal fast.Including Steels,Cast Iron ,Copper,Galvanized Pipe,Aluminum Alloy,Wood, Plastic and Other Softer Metals.If you need to drill hard metal, Highly recommended use drilling machine and lower the drill speed.Not for Glass or Ceramic Materials.
- For Professional and DIY Use, household maintenance and repair.These are so good to save times.
- Works great and good price, Will be a good assistant in your work.
- Made from M35 Hight-speed Steel and 5% Cobalt.Size:2.5mm, Total lengh:2.24inch,Work lengh:1.18inch
10. Diamond Drill Bit Set 20 Pieces 4 Sizes 1mm 1.5mm 2mm 2.5mm Twist Tip Jewelry Beach Sea Glass Shells Gemstones Lapidary -Jobber Drill Bits
By DRILAX
- Fits drills, flex shafts and dremels.
- 4 Different Sizes – 1mm, 1.5mm, 2mm, 2.5mm – 5 pcs
- Make your own custom earrings, pendents and bracelets.
- High Quality Diamond Coated Drill Bits Assorted Pack of 20 pieces
- Used by Jewelry Designers for drilling clean holes on Beach Sea Glass, Sea Shells, Rocks, Marbles, Stones, etc.
- Total of 20 pieces
11. uxcell High Speed Steel Straight Shank Twist Drill Bit Fully Ground Titanium Coated 2.5mm Drill Diameter 57mm Total Length 25mm Drill Bit Length 12 Pcs -Tools & Home Improvement
By uxcell
- [Professional and DIY use]- Suitable for hardened materials and hard metals, such as cast iron, hard plastics, and also suitable for soft materials
- [Package content]- 12 Pcs 2.5mm Drill Dia High Speed Steel straight shank twist drills.
- [Twisted Design]- With a 120° angle point and twist design, it can increase the cutting speed through automatic centering; avoid displacement during the work process, and at the same time remove debris and particles faster and easier
- [Strength and Hardness]- Made of high-speed 6542 steel, rock wall hardness grade HRC 63-66
- [Note]- Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage
- With titanium coating treatment, it is reliable and durable.
- The straight shank can be firmly fixed and accurately centered, suitable for standard drill chucks and conventional round chucks.
- When it cannot penetrate, try to adjust the RPM.
12. JINGLING 2.5mm 3/32″ inch Diamond Small Drill Bit Hole Saw Masonry Tools for Glass Tile Stone Pack of 20Pcs -Tools & Home Improvement
By JINGLING
- Hole diameter:2.5-2.7mm (3/32″); Total length:42mm(1-5/8″); Drill depth:3mm(1/8″)
- NOT have center pilot drill, it will fit handheld or upright drillers
- Use with water as a lubricant, holes require No futher work as cutting is clean
- The diamond coated hole saw suitable for use in drill hole on glass,tile,marble or granite
- Product name: diamond tip drill bit, glass hole saw bit, tile hole saw
13. Hymnorq Small Twist Drill Bits Set of 50pcs, 5 Metric Sizes 1mm 1.5mm 2mm 2.5mm 3mm, Titanium Coated High Speed Steel 4341, Jobber Length and Round Shank, for Wood Plastic Aluminum Sheet Iron -Masonry Drill Bit Sets
By HYMNORQ
- A smooth bit surface allows for nice clean holes.
- 50PC BITS SET – The package includes 50pcs of small twist drill bits in metric size (by diameter)
- FOR GENERAL USE – Classic twist flute, designed for general drilling in plastic, wood and soft metals like aluminum, iron, etc
- The lifespan is prolonged in comparison to non-ground alternatives(roll forged bits)
- 1mm x 10pcs, 1.5mm x 10pcs, 2mm x 10pcs, 2.5mm x 10pcs, 3mm x 10pcs
- POINT ANGLE ANGLE – The 3mm bit is 135-degree split pointed and the other smaller ones are 118-degree pointed.
- Coated with titanium for rust prevention.
- HIGH SPEED STEEL – Made of high-quality high-speed steel 4341 for durability and cutting efficiency
- It has a cylindrical shank system (shank equal to drill bit diameter) and is intended for use with collets, which can provide a stronger hold on small bits than a standard lathe chuck.
- No need to worry about break one or two bits by accident.
- PRECISION GROUND – These bits are fully ground so that their cutting diameters are seriously accurate
14. ILOVETOOL Diamond Hole Saws Set 2.5mm Drill Bits for Glass Tile Pack of 10 Pcs -Masonry Drill Bit Sets
By ILOVETOOL
- Use with water as a lubricant
- The diamond coated hole saw suitable for use in drill hole on glass, marble, tile or granite.
- Total length:42mm (1-21/32″)；Drill depth:3mm depth,The hole of drill bit is not right through the shaft, hole depth approximately 3 mm.
- Hole Diameter:2.5mm (close to 3/32″)；Shank diameter:2.5mm (close to 3/32″)
- Quantity:Total 10 Pcs；Drilling speed:Drill a Holes In Seconds。
15. uxcell 2.5mm Dia 200mm Long HSS Straight Round Shank Twist Drill Bit Drilling Tool 5pcs -Tools & Home Improvement
By uxcell
- Main Color: Silver Tone; Material: HSS
- Package Content: 5pcs x Twist Drill Bit; Product Name: Twist Drill Bit
- Weight: 29g; Total Length: 200mm / 8″
- Bit Diameter: 2.5mm / 0.1″; Fearure: Straight Shank
- Shank Diameter: 2.5mm / 0.1″; Flute Length: 130mm / 5.1″
16. Hymnorq Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 50pcs in 5 Sizes(1, 1.5, 2, 2.5, 3mm) for Stainless Steel Cast Iron and Hard Metals -Tools & Home Improvement
By HYMNORQ
- Will not “walk” or “wander”
- M35 COBALT STEEL – Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
- Manufactured to German DIN338 standard.
- FOR STAINLESS STEEL – Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too
- The other small ones are 118°.
- Please refer to the picture including a size chart.
- 10 each metric drills in popular hobbyist sizes at low price
- Try to adjust the RPM when it fails to penetrate.
- 50PC SET – The set includes 50pcs of metric M35 cobalt steel twist drill bits: 1mm, 1.5mm, 2mm, 2.5mm, 3mm
- These bits are quite small
- Packed in a plastic bag
- Point Angle – The 3mm bits are 135° split pointed, which is self-centering and will penetrate quickly with less pressure
- Not for hardened steel / high carbon steel
17. Amana Tool – 363025 Solid Carbide Drill Bit R/H 2.5mm Dia x 55mm Long x 2.5mm Shank -Tools & Home Improvement
By Amana Tool
- Rotation: right hand
- Overall length (L): 55mm
- (D) shank: 2.5mm
- Type: v-point
- (D) diameter: 2.5mm
18. Ohamtes 2.5mm Reduced Shank Twist Drill Bits High Speed Steel HSS 4341 for Iron/Copper/Plastic/Aluminum Plates/Metal Materials, Round Shank, Double Edge, 5 Pcs -Masonry Drill Bit Sets
By Ohamtes
- Parameter: Cutting and Shank Dia : 2.5mm / 0.1″, Cutting Edge Length: 30mm / 1.18″, Twist Drill Total Length : 57mm / 2.24″.
- Features: Premium gold titanium and black nitride dual coating, more heat and wear resistant
- How To Use: When in use, The drill bit should be perpendicular to the workpiece and oil, water, or coolant should be added to keep cool.
- HSS straight shank tool strong hardness and toughness.
- Package Content: 5 x Double Flutes Straight Shank Twist Bit.
- Short Shank Twist Drill Bit Uses: For Stainless Steel/Aluminum Alloy/Iron/Copper/Plastic/Aluminum Plates/Metal Materials etc.
19. CTD Metric Magnum Super Premium 2.5mm Drill Bit (2 Pack) -Masonry Drill Bit Sets
- Special Hi-Molybdenum tool steel
- Made in USA – Metric Jobber Length Drill Bit – 2 23/64″ Length, 1 3/8″ Flute Length
- Heat treated at 2185 F and then nitro-carburize finished at 950 F to be measurably harder than high speed steel.
- 135 degree split point for fast penetration and accurate starting without center punch.
- Body and clearance are gold surface treated for maximum lubricity.
- Precision ground: point, flutes, body, clearance, and drill diameter for the ultimate in accuracy and performance.
20. uxcell High Speed Steel Straight Shank Twist Drill Bit Fully Ground Titanium Coated 2.5mm Drill Diameter 57mm Total Length 25mm Drill Bit Length 6 Pcs -Tools & Home Improvement
By uxcell
- [Twisted Design]- With a 120° angle point and twist design, it can increase the cutting speed through automatic centering; avoid displacement during the work process, and at the same time remove debris and particles faster and easier
- [Strength and Hardness]- Made of high-speed 6542 steel, rock wall hardness grade HRC 63-66
- With titanium coating treatment, it is reliable and durable.
- [Note]- Please keep cool and gentle using, the working life of the twist drill bits can be largely prolonged by proper usage
- [Professional and DIY use]- Suitable for hardened materials and hard metals, such as cast iron, hard plastics, and also suitable for soft materials
- [Package content]- 6 Pcs 2.5mm Drill Dia High Speed Steel straight shank twist drills.
- The straight shank can be firmly fixed and accurately centered, suitable for standard drill chucks and conventional round chucks.
- When it cannot penetrate, try to adjust the RPM.
21. Wolfride 6Pcs Allen Hex Head Screwdriver Bit Set Metric Magnetic Hexagon Head Drill Bit Set with 1/4″ Hex Shank 100mm Length |2.5mm 3mm 4mm 5mm 6mm 8mm -Screwdriver Bit Sets
By Wolfride
- Overall length: 100mm / 3.93 inch.
- Made of S2 high quality steel for professional performance and durability.
- Magnetic security head, it can suck the screws easily while using it.
- Can be used for manual electric screwdriver, screwdriver, drill, air drill and other tools.
- Size: 2.5mm, 3mm, 4mm, 5mm, 6mm, 8mm
- Please do not turn the screws with unmatched size, in case both screw and bit damaged.
- Shank: 1/4 inch hex
22. DRILAX 50 pcs 1mm 1.5mm 2mm 2.5mm 3mm Titanium Coated HSS High Speed Steel Drill Bit Tool Set -Screwdriver Bit Sets
By DRILAX
- Total 50 pcs, each size 10 pcs 1mm, 1.5mm, 2mm, 2.5mm, 3mm
- DRILAX 50 Pcs 1mm 1.5mm 2mm 2.5mm 3mm (1/8 inch) Titanium Coated HSS High Speed Steel Drill Bit Set
- VERY SMALL HSS Drill Bit Set For Wood, Plastic And Aluminum – Largest Size In This Set 1/8 inch
23. Men’s Silicone Ring, Step Edge Rubber Wedding Band, 10mm Wide, 2.5mm Thick (Camo, Silver, Black, Dark Grey, 9.5-10 (19.8mm)) -Screwdriver Bit Sets
By ThunderFit
- Designed to break away when too much pressure is applied
- 100% MONEY BACK GUARANTEE – With this 100% Money Back Guarantee you can rest assured that even if the slightest thing won’t match your expectations, you can easily get your money back.
- A MUST FOR AN ACTIVE LIFESTYLE – Workout, lifting, climbing or any other physical activity? Our silicone wedding bands will be great in replacing your formal wedding band to keep it safe from being scratched or damaged.
- TOP GRADE, HYPOALLERGENIC, FLEXIBLE SILICONE – Durable, yet flexible
- The flexibility of this ring makes it also perfect for those with large knuckles or temporary swollen fingers.
- Designed to break away when too much pressure is applied
- THE PERFECT GIFT IDEA – Our silicone wedding ring is an awesome idea for the best, cool and trendy gift
- TOP GRADE, HYPOALLERGENIC, FLEXIBLE SILICONE – Durable, yet flexible
- Usually given for anniversary, her or his birthday, valentines, Father’s Day, Labor Day and more…
- The flexibility of this ring makes it also perfect for those with large knuckles or temporary swollen fingers
- Our rings will keep your finger safe from extreme conditions like ring avulsion or amputation.
- MAXIMUM SAFETY AT WORK – Safe for extreme duties or manual labor work, such as: carpentry, military duties, heavy machinery and more
24. Hymnorq Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bits with Straight Shank Set of 13pcs to Cut Through Hard Metals Such as Stainless Steel and Cast Iron -Tools & Home Improvement
By HYMNORQ
- DOWNLOADABLE USER GUIDE – We’ve summed up some tips of drilling metals, including a RPM chart for several common metals, based on our reviews and some articles on the internet
- Welcome to download.
- COBALT STEEL – Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, extremely heat resistant; for much faster cutting and extra longer life span, with up to twelve times when compared with an average HSS drill bit.
- In most cases, our customers would get a much better result with these tips
- FOR METALWORKING – Particularly successful in cutting through hard metals such as stainless steel and cast iron, although they can be used for softer materials, too
- 13PC METRIC BITS – The set includes 13pcs of M35 cobalt steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm
- Will not “walk” or “wander”
- Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks
- Try to adjust the RPM when it fails to penetrate.
- Well organized in a plastic indexed storage case for easy transport to your worksite.
- NO CENTER PUNCH NEEDED – The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure
- Not for hardened steel / high carbon steel
- Must be used and operated at proper RPMs for maximum efficiency
25. Drill America – DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16″ – 1/2″ X 64ths), DWDCO Series -Screwdriver Bit Sets
- Gold oxide finish lubricates the drill bit and provides wear resistance
- Cobalt steel provides extended tool life compared to high-speed steel drill bits when drilling hard materials
- Set of 29 jobber length drill bits includes inch sizes 1/16″ to 1/2″ in 1/64″ increments
- Self-centering 135-degree split point penetrates hard material without a pilot hole and produces small chips to reduce clogging
- Meets ANSI specifications
26. 8 Pcs 200mm Extra Long Twist Drill Bits for Steel Straight Shank Tool Sets Wood Plastic and Aluminum, Plastic, Jewelry 2mm – 7mm -Screwdriver Bit Sets
By DUDUA
- provides better stability and balance during quick operation to ensure position is intact
- Suitable for many electric drills and drills
- Diameter: 2mm 2.5mm 3mm 4mm 4.5mm 5mm 6mm 7mm.Length:about 200mm(about 7.8 inch)
- Quantity:This set includes 8 pieces drill bit in different sizes of the most popular drill bits.1 pc/per size.
- Application:drill bits kit are great for most drilling jobs and materials such as aluminum, wood, plastics PVC and other different materials or your daily drill use.
27. MSD Jobber Twist Drill Bit Set- 15Pcs High Speed Steel Titanium Twist Length for Hardened Metal, Stainless Steel, Cast Iron and Wood Plastic with Indexed Storage Case, 1/16″-3/8″ -Screwdriver Bit Sets
By MSD
- CONVENIENT STORAGEMENT – A drill bits holder with size index is included in the metal kit for easy storage and organizing without fear of it falling out.
- The drilling bits will not “walk” or “wander”
- EASY SELF CENTERING – The 135° quick-cut split point is self-centering and can penetrate quickly with less pressure
- The titanium alloy material increases the strength of the steel and makes it more heat-resistant.
- Not for hardened steel / high carbon steel
- Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks.
- WIDE APPLICATION – Suitable for driling hard metals such as cast iron, also they can be used for softer materials like copper and aluminium
- SIZE INCLUDED: 15pcs jobber length drill bit set with plastic storage case including sizes:1/16″ 2pc,5/64″ 2pc ,3/32″ 2pc,7/64″ 1pc,1/8″ 1pc ,9/64″ 1pc, 5/32″ 1pc, 3/16″ 1pc, 7/32″ 1pc, 1/4″ 1pc, 5/16″ 1pc, 3/8″ 1pc.
- PREMIUM MATERIAL – Made from High Speed Steel titanium alloy material, which provides a longer tool life compared to ordinary drill bits
- Try to adjust the RPM when it fails to penetrate.
28. Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs) -Tools & Home Improvement
By STROTON
- 19Pcs 135 Degree Split Point Drill Bits Includes :1mm(length:3.4cm) 1.5mm 2mm 2.5mm 3mm 3.5mm 4mm 4.5mm 5mm(length:8.5cm) 5.5mm 6mm(length:9cm) 6.5mm 7mm 7.5mm 8mm(length:11.5cm) 8.5mm 9mm 9.5mm 10mm(length:13cm) [DIA 0.5mm Increments] .
- This Cobalt Drill Bit is Typically Capable of Running Three to Five Times Faster.Despite the Higher Price,the Cost Per Hole When Using Cobalt Drill Bit Will be the Lowest,Since It Can Produce So Many More Holes.
- The Sufficiently Sharp Bit Edge Can Cut the Metal Material into Long Strips of Iron Chips rather than Slowly Grinding Throng the Material with a Blunt Drill Bit.
- Premium M42 8% Cobalt Steel ,68-70 HRC (Rockwell Hardness Scale) ,Usually Give the Best Heat,Wear and Chip Resistance and Long Tool Life.
- 3 Steps Desigh for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.
29. Crafter Blue 22mm Black Rubber Watch Band for Seiko Turtle SRP773 SRP775 SRP777 SRPA21 -Screwdriver Bit Sets
By Crafter Blue
- Replacement watchband for Seiko new Turtles models such as Prospex SRP775, SRP777, SRP779 and PADI SRPA21
- Shipping Estimate: 7 – 10 Business Days within US.
- Buckle Type: Brushed Stainless Steel Pin Buckle
- Material: NBR Rubber, waterproof
- Color: Black
30. Metric 99 Pieces Titanium Twist Drill Bit Set, 135° Tip High Speed Steel, Size from 1.5mm up to 10mm, Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass, with Hard Storage -Screwdriver Bit Sets
By PLATINUMEDGE
- Widely USED: The 135° fast cutting point is automatically centered and penetrates quickly with less pressure,The drill kit meets all your requirements, including all common size specifications for Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass
- PROCESS TREATMENT: Titanium coated surface prevent rusting,which increase the hardness of the drill bit and reduces heat buildup, make the twist drill bit more wear-resisting for longer life
- STORAGE: Supplied in a plastic storage box for easy storage and transportation
- PREMIUM MATERIAL: Manufactured from 4241 high speed steel for strength and durability
- INCLUDES: 1.5mm 16piece, 2mm 16piece, 2.5mm 15piece, 3mm 10piece, 3.2mm 10piece, 3.5mm 8piece, 4mm 8piece, 4.5mm 3piece, 5mm 3piece, 5.5mm 2piece, 6mm 2piece, 6.5mm 2piece, 8mm 2piece, 10mm 2piece
31. 13 PCS Metric M35 Cobalt Steel Twist Drill Bit Set HSS Extremely Heat Resistant with Straight Shank to Cut Through Hard Metals Like A Hot Knife Through Butter,Such as Stainless Steel,Titanium Alloy -Masonry Drill Bit Sets
By Wrightus
- Easy Usage And Store —The set includes 13pcs of M35 cobalt steel twist drill bits: 1.5mm, 2mm, 2.5mm, 3mm, 3.2mm, 3.5mm, 4mm, 4.5mm, 4.8mm, 5mm, 5.5mm, 6mm, 6.5mm,13Pcs Packed in a Plastic Bag For Easy Usage And Store
- Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks
- Faster Cutting and Longer Life— Our Twist Drill Bit HSS are Manufactured from M35 cobalt steel, with molybdenum and cobalt added to creates a hardened alloy, measuring Rockwell hardness up to 67, for much faster cutting and extra longer life span, with up to 12 times when compared with an average HSS drill bit.
- Twist drill bit kit Will not “walk” or “wander”
- No Center Punch Is Needed—The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure
- Metal Cutting — Drilling Steel, Stainless Steel, Hard Metal and Iron.Particularly successful in cutting through hard metals such as hard metal ,stainless steel and cast iron, although they can be used for softer materials, too
- Extremely Heat Resistant — twist drill bits Must be used and operated at 1500 RPM or greater for maximum efficiency
32. 50PCS Titanium Micro Twist Drill Bits 1mm, 1.5mm, 2mm, 2.5mm, 3mm,-10pcs for Each，Micro Drill Bits for Wood, Metal, Steel, Plastic, Aluminum -Masonry Drill Bit Sets
By Lelukee
- Realize long-life drilling.
- Suitable for most electric drills on the market.
- 50 combination Micro twist drills: 1mm, 1.5mm, 2mm, 2.5mm, 3mm, 10 pieces each, easy to replace
- 118° angle, 118-degree split-point tip starts drilling immediately with less force and eliminates “walking” across the work surface
- HSS material: industrial-grade high-speed steel, high hardness, good wear resistance, and durable
- Shank Type: Mini Straight Shank Twist Drill
- [Multi-purpose] Small drill bits are suitable for soft metals, wood, plastics, steels within 10mm, aluminum alloys and other soft metals to meet different usage scenarios。
33. 230 Pieces Titanium Twist Drill Bit Set, 135° Tip High Speed Steel, Size from 3/64″ up to 1/2″, Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass, with Hard Storage -Masonry Drill Bit Sets
By HURRICANE
- Widely Used: The 135° fast cutting point is automatically centered and penetrates quickly with less pressure,The drill kit meets all your requirements, including all common size specifications for Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass
- Process Treatment: Titanium coated surface prevent rusting,which increase the hardness of the drill bit and reduces heat buildup, make the twist drill bit more wear-resisting for longer life
- Storage: Supplied in a plastic storage box for easy storage and transportation
- Size Includes: 32 Piece 3/64″, 30 Piece 1/16″, 30 Piece 5/64″, 30 Piece 3/32″, 20 Piece 1/8″, 20 Piece 9/64″, 12 Piece 5/32″, 12 Piece 11/64″, 12 Piece 3/16″, 8 Piece 7/32″, 4 Piece 15/64″, 6 Piece 1/4″, 4 Piece 9/32″, 2 Piece 19/64″, 3 Piece 5/16″, 2 Piece 21/64″, 1 Piece 23/64″, 1 Piece 3/8″, 1 Piece 1/2″
- Premium Material: Manufactured from high speed steel for strength and durability
34. Acogedor 10Pcs Diamond Tipped Drill Bit Set Twist Drill Bits for Glass Tile Stone, 0.8mm / 1.0mm / 1.2mm / 1.5mm / 1.8mm / 2.0mm / 2.5mm / 3.0mm / 3.5mm / 4.0mm -Masonry Drill Bit Sets
By Acogedor
- Widely Applications— It is widely used in the drilling of jade, metal, Agate, Jade, gemstones, pearls, pendants, and cobblestone
- High Standard Material Ensures Long Lasting Performance— This Jobber Drill Bit Set is made of high quality material, and it is finished with fine polish to offer a good durability
- High-Valued Package— There comes with 10 pieces of twist drill bits in the package, you can use them for a long time upon different occasions
- Different Sizes Meet Different Needs— This Twist Drill Bit Set have different sizes to meet your different drilling requirement, and the sizes are 0.8 / 1.0 / 1.2 / 1.5 / 1.8 / 2.0 / 2.5 / 3.0 / 3.5 / 4.0mm, you can use them for different purposes
- High Efficiency and Fast Cutting— Sharp twisted drill bits will make the drilling easier and more effortless
35. Lifegoo 51pcs Mini Manual Drill Kit Hand Drill Modeling Bits Set Tool for Wood, Resin, Jewelry, Walnut, Amber, Beeswax -Tools & Home Improvement
By Lifegoo
- Give them variety in jobs that can complete it.
- (Diameter from 0.3mm to 3.4mm)
- The tensioning thread (female thread) must fit correctly into the underlying metal and be stable
- Adjustable: 3-jaw hardened steel chuck, the hand drill can be equipped with many drills
- Wide Application: compact size, useful for electronic mounting, tools, model making, winding, home improvement and Hobby
- Warranty: We provide the money-back guarantee of 45 days and 12 months warranty
- Precise and Durable: 28-Piece Mini Hand Drill and Rotary Drill are made of high speed steel hand drill to make sure the pin drill is ready for any hobby or precision work, the ribbed handle gives you leverage Suitable when turning the Vise, giving you speed and handling of your precision designs.
- You can hold the thin bits firmly
- Full set of measurements ： 51pcs full set of measurements ： Mini manual drill talad 0.5，0.6，0.7，0.8，0.9，1.0 / mm） * 3 units, unidades 1.1，1.2，1.3，1.4，1.5，1.6，1.7，1.8 ， 1.9，2.0 / mm） * 2 units （2.1，2.2，2.3，2.4，2.5，2.6，2.7，2.8，2.9，3.0 / mm） * 1 unit.
- Multipurpose hand drill is perfect for drilling a small hole in wood, plastic, rubber, PVC, walnut, model, bones, horns, amber, olives, and other materials, jewelry, plastic, and many other DIY projects that require the Drilling accurate holes, instead of steel, iron, stone materials as hard.
- This hand drill has an adjustable drill stand that matches the different drill sizes you use
36. Amartisan 20-Piece Hex Head Allen Wrench Drill Bit Set, Metric and SAE S2 Steel Hex Bits Set, Magnetic Tips, 2.3″ Long With Storage box -Tools & Home Improvement
By Amartisan
- 10 piece sae hex bits size include 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm, 4mm, 5mm, 6mm, 7mm, 8mm.
- 10 piece metric hex bits sizes include 5/64 inch, 3/32 inch, 7/64 inch, 1/8 inch, 9/64 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 5/16 inch.
- S2 Material Forging：The drill bit is made of high quality S2 alloy steel ,with sturdy hardened & tempered construction.
- Wide Range of Uses: Used in automobiles, repairs, trucks, automobiles, engines, motorcycles, interiors, dashboards, computers, cable boxes, toys, appliances and consumer electronics, drill bits can also be used in many other protected parts.
- 1/4 inch hex handle can be used with screwdriver and is widely used for household tool repairs.
37. COMOWARE Titanium Drill Bit Set – 60 Pcs Small Drill Bit Set, High Speed Steel, Micro Drill Bit for Wood, Plastic, Aluminum Alloy, (3/64″-1/8″) -Masonry Drill Bit Sets
By COMOWARE
- It is your ideal Titanium Drill Bit Set for DIY projects and household maintenance and repair.
- HSS TITANIUM COATING These small drill bits feature classic HSS construction for reinforced durability
- AUTOMATIC CHIP REMOVAL These small drill bits feature 2 flutes design that helps clear chips and debris away, decreasing friction and heat for a faster, cooler drilling process.
- The 118-degree bit cuts more aggressively but the steeper cutting angle will cause it to dull more quickly.
- PRECISE 135° POINT TIP Compared with 118-degree bit, 135-degree bit makes it easier to drill repeated holes into harder material
- The premium titanium coating offers superior resistance to abrasion and corrosion.
- ALL-PURPOSE BITS SET Suitable for soft metal, wood, PVC (not applicable to wall)
- 60 PCS COMBO SET 60 pcs jobber length titanium drill bits in 6 sizes from 3/64″ to 1/8″ (10×3/64”, 10×1/16” , 10×5/64”, 10×3/32”, 10×7/64”, 10×1/8”, total 60 pieces ) to have your different needs covered and increase overall productivity.
38. REXBETI 20 Piece Hex Head Allen Wrench Screwdriver Bit Set, SAE Metric 1/4 Inch Hex Shank S2 Steel Magnetic 2.3 Inch Long Drill Bits with Storage Box -Tools & Home Improvement
By REXBETI
- Drill bits made from high quality S2 steel material for ultimate durability, suitable for industrial use
- SAE sizes 5/16, 1/4, 7/32, 3/16, 5/32, 9/64, 1/8, 7/64, 3/32 and 5/64 inch
- Not only can you use the bits on hand tools, you can easily insert them to any 1/4 inch hex shank power drill to use solid storage case to keep all bit set in good condition
- Metric size 8mm, 7mm, 6mm, 5mm, 4mm, 3.5mm, 3mm, 2.5mm, 2mm and 1.5mm
- Strong magnetic and high precision
- Each edge can be accurately locked screws, no damage to the screw and the screwdriver head
39. Diamond Core Drill Bits, 2.50 Millimeters | DIB-502.50 -Masonry Drill Bit Sets
By EURO TOOL
- Great for drilling holes in ceramic, tile, glass and other jewelry components
- 2.50 millimeters in diameter
- Medium-fine grit
- 3 millimeter (1/8 inch) shank
- Made of stainless steel with electroplated diamond particles
40. VICRAZZE RC 1.5, 2.0, 2.5 & 3.0mm Hex Head Allen Wrench Drill Bit S2 Steel 1/4″ Hex Shank 4.3″ Long Hex Bit Set Hex for Screwdrivers Bit Electric Screwgun Power Drill RC Repair Working Tools -Masonry Drill Bit Sets
By VICRAZZE
- Widely application for electric screwdriver, hand screwdriver, electric drills and air drills, making your life and work easier
- Magnetic tips help to grasp the screw, greatly minimize the wear of the screws and increasing working efficiency
- The rc car drill bit set include 4pcs different head sizes: 1.5mm, 2.0mm, 2.5mm, 3.0mm, can meet your different needs with any 1/4″ Drive Drill
- The rc hex set is made of high quality S2 steel with heat treated, which is precise and durable
- VICRAZZE provides 7×24 hours customer service! Please feel free to contact us if you have any questions
41. uxcell PCB Drill Bits 2.5mm Tungsten Carbide Rotary Tool Jewelry CNC Engraving Print Circuit Board Micro Drill Bits 1/8 Inch Shank 5 Pcs -Tools & Home Improvement
By uxcell
- Long Tool Life: With high hardness, high wear resistance, high strength, resistance to bending, anti-impairment
- Specification: Cutting edge diameter (CED): 2.5mm; cutting edge length: 10.5mm; shank diameter: 3mm / 1/8″ (approx.) overall length: 38mm / 1-1/2″ (approx.)
- Great Use: Great for PC Boards, Plastics, Fiberglass, Wood, Soft Metals
- Made from Tungsten Carbide for precise, easy experience
- Fit for: PCB drilling machines, engraving machine, CNC and high precision special drilling equipment
- High Precision: With sharp cutting edge, milling groove and clean surface, these sets of tool work quickly and cleanly, no glitches or scrap left
- Spiral Flute Bits: Tip spiral flute drill bits with sharper cutting edge, reduce cutting force and prevent drill broken, improve the drilling accuracy
42. STALEKS PRO Cone, Diamond e-file nail drill bit, 2.5mm – Soft grit, Russian electric file bits (Quantity, 1) -Beauty & Personal Care
By Staleks
- This e-file bit is a professional salon quality product that cleans and shapes cuticles simply and with ease.
- Shape: Cone Grit: Soft
- Diameter (mm): 2.5 Working part length (mm): 8
- Electric file bit used in dry machine manicure
- This bit is a must have for any professional nail technician
- Used in machine manicure and pedicure: Lateral nail fold treatment Cuticle treatment Callus treatment
- Use at home or nail technicians can use them in a professional salon
- Perfect for cuticle push and shaping in a non abrasive way
43. 1mm Diamond Drill Bit Jewelry Beach Sea Glass Shells Gemstones 1/24 Inch Tip Bur 1/8 inch Shank Dremel Compatible Burr Lapidary 30 Pieces Case Set -Short Length Drill Bits
By DRILAX
- JEWELRY DIAMOND BITS for Necklaces, Earrings, Pendants, Bracelets out of Beach Glass, Sea Shells, Stones, Ceramic, Porcelain
- START Drilling at an Angle – Go Vertical Later – Submerge the Tip of the Drill in Water.
- STARTS EASY
- Set of 30 PCS 1mm DIAMOND DRILL BIT CASE – 1/8 inch Shank Compatible with Dremel and Other Rotary Tools
- SPINS TRUE
44. uxcell 3pcs 2.5mm Twist Drill w Titanium Coated High Speed Steel Bit HSS M35 CO for Steel,Copper,Aluminum Alloy -Tools & Home Improvement
By uxcell
- PRODUCT NAME – Twist Drill Bit.
- MATERIAL – M35 HSS with CO,Titanium Coated.
- APPLICATION – Perfect for stainless steel, copper, aluminum alloy,as well suit for wood,plastic.
- PARAMETER – Shank / Cutting Edge Diameter : 2.5mm;Cutting Edge Length : 28mm;Total Length : 56mm.
- PACKAGE CONTENT: 3pcs x Twist Drill Bit.
45. 20 Pieces Diamond Drill Bits Set Twist Diamond Tip Drill Bit Heavy Duty Micro Diamond Drill Bit Set for Glass Tile Jewelry, 0.8 mm 1.0 mm 1.2 mm 1.5 mm 1.8 mm 2.0 mm 2.5 mm 3.0 mm 3.5 mm 4.0 mm -Tools & Home Improvement
By Honoson
- Complete accessories: our package contains a total of 20 pieces twist diamond tip drill bit with 10 different diameters, namely, 0.8 mm, 1.0 mm, 1.2 mm, 1.5 mm, 1.8 mm, 2.0 mm, 2.5 mm, 3.0 mm, 3.5 mm, 4.0 mm, which can meet your different needs in daily life and work
- Ideal tools: these heavy duty micro diamond drill bit have pointed enough drill bits, which can bring you a more practical and faster experience, helping you drill holes or polish target objects faster, and save time and effort when using them
- Groove design: our diamond bits for drill are provided with groove design, which provides convenience for your drilling process, and they are also convenient for you to clean up debris during drilling, with less heat generation; This design will bring you a good use experience
- Reliable material: our diamond drill bits are made of quality diamond material, which have been finely polished and polished.They are strong enough, accurate in size, not easy to rust or deform, and can serve you for a long time
- Applicable object: the diamond encrusted drill bits have precise size and diameter, which can meet your different use requirements, and can be applied for drilling jade, metal, agate, jade, gemstones, pearls, pendants, and cobblestone, and so on
46. Drill Hog 29 Pc Super HI-Molybdenum M7+ Drill Bit Set -Tools & Home Improvement
By Drill Hog
- Lifetime Warranty
- Tri-Flat Shank Prevents “Spinning” in Chuck
- 135 Degree Split Point Prevents “Walking”
- Drill Hog Hi-Molybdenum M7+ Super Premium Steel
- 29 Drill Bits from 1/16″ to 1/2″ by 1/64th Increments
47. BOSCH CO2135 1/8 In. x 2-3/4 In. Cobalt Drill Bit -Tools & Home Improvement
By BOSCH
- Rigid, thick web design adds stability to bit in tough applications
- Withstands high-temperature applications for extended periods of time (up to 1,100 degreeF)
- Available in jobber length, full shank
- Best used for drilling into light-gauge metal, high-carbon steel, aluminum and ally steel, cast iron, stainless steel and titanium
- Surface hardened to penetrate tough abrasive materials
2.5 mm drill bit – The Buyer’s Guide
You must have checked the above list, aren’t you mind-blown by the quality of products? Well, if you are then here’s a secret formula which we’ve used to choose them. You can use them too! The best part is, it works for all the product purchases you make! Besides, wouldn’t it be helpful to you, if you knew the factors we’ve considered to choose the 2.5 mm drill bit in the above list? So shall we begin with the guide and help you learn about the important factors?
1. Does it have the features you need?
Wait for a minute before you buy the 2.5 mm drill bit, check if it has all the features in your requirement list! If it doesn’t have them, then you should avoid buying that particular model and start looking for an alternative. We always suggest our editors to make a list of important features before adding a product to a list and based on the feature, the quality of the product, brand-assurance, rank it! So if it has all you need, you should not mind paying a bit extra. However, if you end up buying the best 2.5 mm drill bit which doesn’t have the feature you need the most, then it won’t make sense! Would it? To us, it wouldn’t! That’s why you should make up a list which includes the features you are looking for, technical specifications if any, etc and come up with a budget.
2. Budget and Price Match
Well, you obviously can’t buy the best 2.5 mm drill bit with a low budget. That’s why it’s important to make note of all the important features, specs, factors and come up with a budget. Once you are ready with it, look for the products which are either equal to your budget or are close to it. Stick to the budget, because while browsing, you’ll see a model which is slightly better and has an additional feature with a really small price difference. Well, in that case you’ll have to calculate the price of the product which has all the required features and the 2.5 mm drill bit with the additional features. See if the difference in amount is worth for the feature? If you don’t have second thoughts, you shall probably increase your budget.
3. Warranty and Brand
Most of the 2.5 mm drill bit industry experts we got in touch suggested us to always buy the one which comes from a reputable brand. They also explicitly asked us to include the best brands so that users don’t buy the models from unknown brands or non-reputable companies. Because 2.5 mm drill bit from an unknown brand might be cheap at first glance, but could have high-maintenance and could cost a lot in repairs.
Another benefit of buying a 2.5 mm drill bit from a reputable brand would be warranty. Most of the 2.5 mm drill bit from reputable brands come with good warranty. However, cheap products do come with a warranty, but claiming it can be a herculean task. That’s why buy the models which come from known brands and have good warranty.
4. Check for Reviews and Ratings
Back then when the Internet wasn’t as big as it is today, local stores charged high and even ended up selling the products which sucked or wasn’t future proof. It’s because the salesman threw technical terms and confused the buyer. But nowadays, there are sites like ours which does all the research and lists down the best models and there are eCommerce stores like Amazon which has user reviews which can be read to know the experience of the user with that particular 2.5 mm drill bit. Isn’t it great?
The Verdict
We hope that you loved the 2.5 mm drill bit we’ve listed in our best list. If it has been helpful, please bookmark our website and share it with people you know whenever they plan to buy something.
To wrap up this guide,
- If you are looking for the best 2.5 mm drill bit: You shall consider going for Drill Hog 29 Pc Super HI-Molybdenum M7+ Drill Bit Set
- If you want the one which has similar features to the best, then you shall consider going for Drill America – DWD29J-CO-PC 29 Piece M35 Cobalt Drill Bit Set in Round Case (1/16″ – 1/2″ X 64ths), DWDCO Series
- If you want a 2.5 mm drill bit which is “value for money” then you shall go for the 1mm Diamond Drill Bit Jewelry Beach Sea Glass Shells Gemstones 1/24 Inch Tip Bur 1/8 inch Shank Dremel Compatible Burr Lapidary 30 Pieces Case Set
- If you want the cheapest 2.5 mm drill bit then the BOSCH CO2135 1/8 In. x 2-3/4 In. Cobalt Drill Bit should be the best one for your needs!
