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Top 10 Cobalt Drill Bits

Discover our curated selection of high-quality products.

Last update: 06-05-2025

1
Bosch Professional 25-Piece PointTeQ HSS Twist Drill Bit Set (for Metal, ProBox, Drill Driver Accessories)

Bosch Professional 25-Piece PointTeQ HSS Twist Drill Bit Set (for Metal, ProBox, Drill Driver Accessories)

  • The Professional 25pc. HSS PointTeQ ProBox Metal Drill Bit Set from Bosch - fast drilling in metal due to PointTeQ tip design
  • Increased drilling rate generates less heat and wear
  • Cylindrical shank compatible with three-jaw drill chucks
  • Ideal for drilling holes into alloyed and unalloyed steel, non-ferrous metals, plastics and wood
  • Scope of delivery: 25 x Bosch Professional HSS PointTeQ Twist Drill Bits for Steel - Ø 1/1.5/2/2.5/3/3.5/4/4.5/5/5.5/6/6.5/7/7.5/8/8.5/9/9.5/10/10.5/11/11.5/12/12.5/13 mm
9.6/10
2
Bosch Professional 2608587014 19-Piece HSS-Cobalt ProBox Metal Drill Bit Set (for Stainless Steel, Accessories for Drill Drivers), Gold, 1mm-10mm

Bosch Professional 2608587014 19-Piece HSS-Cobalt ProBox Metal Drill Bit Set (for Stainless Steel, Accessories for Drill Drivers), Gold, 1mm-10mm

  • The Professional 19pc. HSS-Cobalt ProBox Metal Drill Bit Set from Bosch - long-lasting performance when drilling stainless steel
  • Cobalt alloy and fully ground HSS provide wear resistance and heat protection. Two cutters and two flutes remove chips quickly to make the bits last even longer
  • Cylindrical shank compatible with three-jaw drill chucks
  • Ideal for drilling holes into stainless steel
  • Scope of delivery: 19 x Bosch Professional HSS-Co Twist Drill Bits for stainless steel - Ø 1/1.5/2/2.5/3/3.5/4/4.5/5/5.5/6/6.5/7/7.5/8/8.5/9/9.5/10 mm
9.5/10
3
BOSCH CO14B 14-Piece Assorted Set with Included Case Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

BOSCH CO14B 14-Piece Assorted Set with Included Case Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

  • Cobalt M42 drill bit – provides upgraded M42 Cobalt jobber-length bits designed for durability, high heat resistance and Hardened surface for stainless steel, cast iron, titanium, light-gauge metal and aluminum
  • Enhanced M42 alloy material – contains 8% Cobalt alloy that delivers 10x life vs. Standard bits
  • High-heat resistant bits – withstand high-temperature applications for extended periods of time
  • Thick web-helix design – provides additional stability in tough applications
  • Surface-hardened tip – penetrates tough abrasive materials.Includes – 1/16", 5/64", 3/32", 7/64", 1/8", 9/64", 5/32", 3/16", 7/32", 1/4", 5/16", 3/8", 1/2"
9.3/10
4
Amazon Basics High Speed Steel Drill Set for Metal, Wood, & Plastic, 14 Pieces, 1.5 - 10mm

Amazon Basics High Speed Steel Drill Set for Metal, Wood, & Plastic, 14 Pieces, 1.5 - 10mm

  • Made with high-speed steel, quenched for durability, titanium surface coating
  • Inclined blade design for cleaner, faster drilling
  • Suitable for drilling soft metals (iron, copper, aluminium), wood and plastic. NOT for glass, ceramics materials, masonry, heat-treated steel or high-carbon steel. Drill bits shall be kept vertical carefully when using
  • Includes the following sizes: 1.5 mm, 1.5 mm, 2 mm, 2.5 mm, 3 mm,3.2 mm, 3.2 mm, 3.5 mm, 4 mm, 5 mm, 5.5 mm, 6 mm, 8 mm, 10 mm
9.2/10
5
Hi-Spec 99pc Complete HSS Mixed Drill Bit Set. 1 to 10mm Titanium Coated High Speed Steel Drill Bits for Metal, Wood & Plastic. All In a Box Case

Hi-Spec 99pc Complete HSS Mixed Drill Bit Set. 1 to 10mm Titanium Coated High Speed Steel Drill Bits for Metal, Wood & Plastic. All In a Box Case

  • GET DRILLING DONE: For everyday DIY jobs, drill quickly and accurately in soft metals eg. aluminium, mild steel, wood, plasterboard/drywall and plastics. NB. Not suited for heat-treated or hardened steel
  • 14 METRIC SIZES: The most-used sizes of round-shank twist drill bits for the electric drill driver. 99pc x Metal Drill Bits: 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 6, 6.5, 8, 10mm
  • BETTER HSS STEEL: Using High-Speed Steel alloy (HSS4241), they cut faster, withstand higher temperatures and retains hardness for longer than ordinary high-carbon steel bits
  • LONG-LIFE TITANIUM COATING: Their golden vapour-deposited Titanium Nitride coating increases surface hardness and lubrication properties. Get improved wear resistance and sharpness with reduced friction and sticking
  • IN A COMPACT BOX CASE: Take them anywhere in the slim storage tray case - separated into compartments with a protective foam insert. Sizes are handily printed under the lid which is closed tightly by a steel-catch
  • Hi-Spec DIY Home Series – Holiday Ready Tools: Celebrate the season with Hi-Spec DIY Home Series tools, perfect for those who love to craft, repair, and improve their homes. From the smallest fixes to the grandest holiday projects, our tools bring reliability and ease to every task, helping you create the home of your dreams this holiday season.
9.0/10
6
True 5% Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Twist Drill Bits 1.5mm-6.5mm, 135° Split Point Extremely Heat Resistant for Stainless Steel, Cast Iron, Hard Metal, Plastic, Wood

True 5% Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Twist Drill Bits 1.5mm-6.5mm, 135° Split Point Extremely Heat Resistant for Stainless Steel, Cast Iron, Hard Metal, Plastic, Wood

  • High Quality Material: 5% Cobalt High Speed Steel M35 provide extended tool life compared to ordinary drill bits. Durable and strong for longer service using time.
  • Top Heat Resistant: Our HSS Twist Drill Bits must be used and operated at 1500 RPM or greater for maximum efficiency. Straight shank allows for firmly holding and accurate centering, fit for standard drill chucks and regular round collet chucks.
  • Twist Design & Performance: Precise 135° Split Point, gold oxide finish and round straight shanks. Manufactured to DIN338, prevent walking, clear chips and particles faster. Produced by precision fully ground which ensures chips move smoothly.
  • Professional & Widely Use: M35 Cobalt HSS is more suitable for hardened materials. Particularly successful in cutting through hard metals such as steel, stainless steel, cast iron, high temperature alloy, titanium alloy, hard plastics and woods, and also can be used for softer materials.
  • Easy to Use and Store: 13pcs M35 cobalt steel jobber twist drill bit set including sizes: 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 box for easy usage and store.
8.9/10
7
Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)

Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)

  • 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 Design for Cutting through Stainless Steel,Hard Metals,Aluminum,Plastic.
  • 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.
  • 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] .
8.7/10
8
amoolo 10mm 5pcs Cobalt Drill Bit, M35 HSS Metric Cobalt Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron

amoolo 10mm 5pcs Cobalt Drill Bit, M35 HSS Metric Cobalt Drill Bit Set for Hard Metal, Stainless Steel, Cast Iron

  • 【M35 Cobalt Drill Bit】This drill bit contains 5% Cobalt (M35 Cobalt HSS), which increases the strength, extend the tool life and makes it more heat-resistant. Rockwell Hardness >= 67.
  • 【5Pcs x 10mm】Diameter x Overall Length: 2mm x 40mm. Come with a portable plastic case for easy storage and organization.
  • 【Multiple Application】✔️ M35 Coblat HSS is perfectly suitable for Hard Metals, such as Stainless Steel and Cast Iron. Can be used for Wood, Aluminum Alloy and Other Softer Metals. ❌NOT for Glass or Ceramic Materials. ⚠️ Pay attention to speed, pressure and heat control during drilling.
  • 【Fully Ground Process & 135° Split Point】No center punch is needed. Fully ground spiral groove design clears particles quickly, decreases friction and heat for a faster and cooler drilling performance. 135° split point with straight shank prevents walking and makes drilling precise and faster.
  • 【HASSLE-FREE WARRANTY】If you are not fully satisfied for any reason, please contact us for 100% refund or replacement in 90 days.
8.5/10
9
Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set

Rennie Tools - Box of 10 x 3mm HSS Gold Cobalt Jobber Drill Bit Set For Stainless Steel, Hard Metals, Aluminium, Cast Iron, Copper. Twist Drill Bit Sets Supplied In A Box. 3mm Drill Bit Set

  • For drilling particularly tough or hard metal drilling applications such as stainless steel, hardened metal, cast iron, Cr-Ni and special acid resistant steels. Also work very well on standard metals / steels, RSG, aluminium, high temperature alloy, titanium alloy, non ferrous metals, plastics and wood.
  • All our cobalt drill bits are manufactured from high grade M35 alloyed HSS steel with 5% Cobalt content and are fully ground from solid material.
  • This cobalt drill bit set is manufactured to DIN338 specifications and they are dimensionally precise. These HSSCO HSS drill bits can be used in pillar drills, handheld electric drills, battery powered drills etc and can also be used in CNC machines
  • 135° split point from 3mm and above eradicates the need to pre-drill or centre punch. Prevents walking and enables faster penetration.
  • Our high-quality M35 HSS drill bits for metal offer exceptional hardness, heat resistance, and durability. Our 2 flute design is optimised for fast chip removal and smooth cutting. This pack of 10 cobalt jobber drills are supplied in a plastic storage case. These are ideal for professionals, DIY enthusiasts and home improvement enthusiasts
8.3/10
10
Milwaukee 4932352374 Drill, Set 19 Piece 1-10mm

Milwaukee 4932352374 Drill, Set 19 Piece 1-10mm

  • Milwaukee 4932352474 set of 19 pieces 1-10 mm
  • Ideal Product
  • Red Case
8.1/10

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DEWALT DT7926-XJ EXTREME 2 HSS-G 29pc Drill Bit Set

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VonHaus Drill Bit Sets - 99pcs | HSS/HSCO M35 Cobalt Drill Bits for Metal | 1.5mm-10mm for Hard Steel, Titanium Alloy, Plastic and Wood With Carry Case - 135° Split Point

VonHaus Drill Bit Sets - 99pcs | HSS/HSCO M35 Cobalt Drill Bits for Metal | 1.5mm-10mm for Hard Steel, Titanium Alloy, Plastic and Wood With Carry Case - 135° Split Point

toolant Four Spiral Flute Cobalt Step Drill Bit(Pro Max), 4-22mm Impact Ready Four Spiral Flutes Unibit Step Bit, 1/4" Hex Shank Unibit for Metal, Stainless Steel, Aluminum, Wood, Plastic

toolant Four Spiral Flute Cobalt Step Drill Bit(Pro Max), 4-22mm Impact Ready Four Spiral Flutes Unibit Step Bit, 1/4" Hex Shank Unibit for Metal, Stainless Steel, Aluminum, Wood, Plastic

13Pack HSS Twist Drill Bit Set Metric M35 Cobalt Steel High Speed Steel Titanium Coated Drill Bit Tool Extremely Heat Resistant with Straight Shank 1.5mm-6.5mm for Drilling Tool Wood, Metal & Plastic

13Pack HSS Twist Drill Bit Set Metric M35 Cobalt Steel High Speed Steel Titanium Coated Drill Bit Tool Extremely Heat Resistant with Straight Shank 1.5mm-6.5mm for Drilling Tool Wood, Metal & Plastic

IRWIN Drill Bit Set, M35 Cobalt Alloy Steel Steel, 29-Piece (3018002)

IRWIN Drill Bit Set, M35 Cobalt Alloy Steel Steel, 29-Piece (3018002)

S&R Metal Drill Bit Set 1-6,5mm, 13 Piece, HSS COBALT DIN 338, grounded. Steel box.Professional Quality.

S&R Metal Drill Bit Set 1-6,5mm, 13 Piece, HSS COBALT DIN 338, grounded. Steel box.Professional Quality.

Gunpla Cobalt Drill Bits 3mm 10-Pieces, M35 HSS Metric Straight Shank Jobber Drill Bit Set with Plastic Case for Hardened Stainless Steel, Metal, Aluminium, Tile, Wood, Plastic and Cast Iron…

Gunpla Cobalt Drill Bits 3mm 10-Pieces, M35 HSS Metric Straight Shank Jobber Drill Bit Set with Plastic Case for Hardened Stainless Steel, Metal, Aluminium, Tile, Wood, Plastic and Cast Iron…

BOSCH CO14 14-Piece Cobalt Metal Drill Bit Set

BOSCH CO14 14-Piece Cobalt Metal Drill Bit Set

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