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10 Best Cobalt Drill Bit Set for 2026

List of Top Rated Cobalt Drill Bit Set from thousands of customer reviews & feedback.

Updated On August 2026 2507 Reviews Studied By Customer Ratings
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1 13Pack HSS Twist Drill Bit Set Metric M35 Cobalt Steel High Speed Steel Titanium...

13Pack HSS Twist Drill Bit Set Metric M35 Cobalt Steel High Speed Steel Titanium Coated Drill Bit Tool Extremely Heat Re...

Wrighteu
  • Extremely Heat Resistant : 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
  • No Center Punch Is Needed:The 135° Quick-Cut points are self-centering and penetrate quickly with less pressure. Twist drill bit kit Will not "walk" or "wander"
  • 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.
  • 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.
  • 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
2 Heller Tools 219624" 990" Drill Bit of Stainless Steel/Cobalt/HSS, Silver, Set o...

Heller Tools 219624" 990" Drill Bit of Stainless Steel/Cobalt/HSS, Silver, Set of 19 Pieces

Heller Tools
  • Unbeatable in high-alloy steel and stainless steel - the perfect solution for the most challenging drilling
  • Made of special HSS steel with 5% cobalt for extremely long life
  • Pinpoint centring thanks to split point grinding and 135° point angle
4 LARS360 170pcs Cobalt Drill Bit Set Drill Tough Materials Includes HSS Titanium...

LARS360 170pcs Cobalt Drill Bit Set Drill Tough Materials Includes HSS Titanium Drill bits 1-10mm With Storage Case

LARS360
  • 170pcs Drill Bit Set Includes -10x Ø1mm/Ø1.5mm/Ø2mm/Ø2.5mm/Ø3mm/Ø3.5mm/Ø4mm/Ø4.5mm/Ø5mm/Ø5.5mm/Ø6mm/Ø6.5mm/Ø7mm/Ø7.5mm/Ø8mm
  • 170pcs Drill Bit Set Includes - 5x Ø8.5mm/Ø9mm/Ø9.5mm/Ø10mm
  • 【Top Material】The drills are made of an extremely strong and heat resistant. Steel alloy with approx. 5% cobalt content. This allows the drilling of materials up to max. 900N / mm² strength.
  • 【Professional & DIY Use】 For use on metal, wood & plastics, Stainless Steel, Not For Use On Concrete / Masonry. Perfect match for workshop or service vehicles.
5 S&R Metal Drill Bit Set 1-6,5mm, 13 Piece, HSS Cobalt DIN 338, Polished. Steel B...

S&R Metal Drill Bit Set 1-6,5mm, 13 Piece, HSS Cobalt DIN 338, Polished. Steel Box.Professional Quality.

S&R
  • High performance drill S&R Metal Drill set 13 pcs in a set of professional quality.KM-serie
  • Use: Hard alloys and cast metals, steel, cast steel, especially hard materials,
  • HSS COBALT, High-Speed-Steel alloyed with 5% cobalt,C-cut according to DIN 1412 135° increased lifespan
  • Equipment: Hand and Stand drills.Set:1,5x2,0x2,5x3,0x3,2x3,5x4,0x4,5x4,8x5,0x5,5x6,0x6,5
  • Special construction: polished, precision class h8, average length according to DIN 338
6 Irwin 10503992 Pro Drill Set Turbomax (15 Pieces)

Irwin 10503992 Pro Drill Set Turbomax (15 Pieces)

IRWIN
  • IRWIN 133 years of ingenuity and excellence
7 Heller ® 6 Piece HSS-Co Cobalt Drill Bit Set - 2mm - 8mm Quality German

Heller ® 6 Piece HSS-Co Cobalt Drill Bit Set - 2mm - 8mm Quality German

heller
  • Includes: 2mm, 3mm, 4mm, 5mm, 6mm, 8mm Drills
  • For a large number of drill holes in high-alloy steel and stainless steel
  • Use of a special HSS steel with 5% cobalt
  • High true-running accuracy to DIN 1414
  • Split point and 135° point angle for optimum, extremely accurate starting
8 Bosch 2608587014 HSS-CO Metal Drill Bit Cassettes,1-10 mm (pack of 19)

Bosch 2608587014 HSS-CO Metal Drill Bit Cassettes,1-10 mm (pack of 19)

Bosch Professional
  • HSS-Co Metal Drill Bit Cassettes
  • Content: 19-piece ProBox metal drill bit set HSS-Co (cobalt alloy), DIN 338
  • EAN: 3165140689786
9 Sealey AK4701 19pc HSS Cobalt Split Point Fully Ground Drill Bit Set-Metric, Mul...

Sealey AK4701 19pc HSS Cobalt Split Point Fully Ground Drill Bit Set-Metric, Multicoloured, 3.9 x 11.3 x 16.2 cm, Set of...

Sealey
  • Fully ground HSS with 5% cobalt mAKes these ideal for drilling extra hard materials
  • 135 degrees split point tip enables bits to bite work piece quickly, reducing the need for centre mark
  • Drills can be re-sharpened without affecting their performance
  • Supplied in metal storage case
  • Sizes: 1-10 mm in 0.5 mm increments
10 KKmoon 15PCS/Set 1.5-10mm Straight Shank M35 Cobalt High Speed Steel HSS Twist D...

KKmoon 15PCS/Set 1.5-10mm Straight Shank M35 Cobalt High Speed Steel HSS Twist Drill Bits Set High Quality Wood work Met...

KKmoon
  • Straight round shank.
  • M35 high speed steel with cobalt, super hard.
  • Smooth surface to reduce friction, sharp blade for fast drilling hole.
  • Wear-resistant with long service time.
  • Include 15pcs drills in different size:(1.5mm,2mm,2.5mm,3mm,3.5mm,4mm,4.5mm,5mm,5.5mm,6mm,6.5mm,7mm,8mm,9mm,10mm)which meets your various needs.