Which drill bit set offers superior durability and longevity?
This page compares 5 drill bit sets with verified specifications and prices. Top options include Milwaukee Red Helix Cobalt Drill Bit Set, DEWALT Titanium Nitride Coated Pilot Point Drill Bit Set (14-Piece) DW1354, Drill America M42 Cobalt Drill Bit Set 29-Piece. Prices range from £15 to £252. All data is sourced from manufacturer documentation and specialist retailers.
| Product ⇅ | Price ⇅ | Bit Count ⇅ | Max Drill Size (mm) ⇅ | Material ⇅ | Speed (RPM) ⇅ | Keyed Holes ⇅ | Set Inclusions ⇅ |
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Milwaukee Red Helix Cobalt Drill Bit Set
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£88.53 ≈ | 29 | 1/2 in | Cobalt | — | — | — |
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This 29-piece set uses cobalt bits with a QUAD EDGE tip, VARIABLE HELIX flute, thicker tapered web, and 135-degree split point. It suits drill-driver users working with hard metals, stainless steel, cast iron, wood, and plastics who need durable, long-lasting bits. ★ Ideal forIt suits the question because its cobalt alloy is rated for up to 15X the life of black oxide bits, while the thicker tapered web and QUAD EDGE tip improve durability and heat management.
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DEWALT Titanium Nitride Coated Pilot Point Drill Bit Set (14-Piece) DW1354
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£15.48 ≈ | 14 | 1/2 in | Titanium Coated | — | — | — |
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Titanium nitride coated DEWALT drill bits with PILOT POINT tips are designed to start on contact and help prevent walking for clean holes. The set uses a tapered web design for durability to resist breakage and includes bits sized from 1/16 in up to 1/2 in. It's suited for drilling metal and wood jobs using a drill or drill press. ★ Ideal forIt's specifically built for durability and longevity with a titanium nitride coating and a tapered web design that resists breakage, plus PILOT POINT tips that reduce bit walking.
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Drill America M42 Cobalt Drill Bit Set 29-Piece
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£106.17 ≈ | 29 | 1/2 in | M42 cobalt steel | Up to 30% greater than conventional M2 high speed steel | — | — |
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This 29-piece set uses M42 cobalt steel with a gold oxide finish and 135-degree split points for drilling tough materials such as stainless steel, Inconel, titanium and cast iron. It suits metalworkers, mechanics and professionals who need durable bits for high-temperature, high-strength drilling. ★ Ideal forIt offers superior durability and longevity through its M42 cobalt steel construction, high red hardness, gold oxide finish and shatterproof, water-resistant case.
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Ronix RH-5529 5% Cobalt HSS Drill Bit Set
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£251.79 ≈ | 6 | 8mm | M35 5% cobalt HSS | — | — | — |
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This six-piece set contains M35 high-speed steel bits with 5% cobalt for improved heat and wear resistance. It suits DIY users and professionals who need durable metal-drilling bits in common sizes from 2mm to 8mm. ★ Ideal forIt suits users seeking superior durability and longevity because the bits use M35 HSS with 5% cobalt, a hardened process, and a hardness rating of 65-67 HRC.
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IRWIN 8% Cobalt Drill Bit Set
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£109.20 ≈ | 29 | 1/2 in | M-42 8% cobalt high speed steel | — | — | — |
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This 29-piece set uses M-42 8% cobalt high speed steel for improved heat and abrasive resistance when drilling tough metals. Its 135-degree split points, broad fractional size range, and protective indexed case suit mechanics, fabricators, and serious DIY users. ★ Ideal forIt suits users seeking superior durability and longevity because the M-42 8% cobalt high speed steel resists heat and abrasion, while the bits can be resharpened to extend cutting life. |
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