M42 Cobalt Drill Bit Set, 29 Pieces, 1/16 To 1/2 Inch In 64ths, Gold Oxide Finish, Heavy Duty Bits For Stainless Steel And Nickel Alloys, D ACO Series, Industrial Grade Performance

M42 Cobalt Drill Bit Set, 29-Piece for Stainless
✔️ 29-piece cobalt drill bits with gold oxide, 135° split point, superb

This 29-piece cobalt drill bit set is designed for hard metals like stainless steel and nickel alloys. Housed in a durable metal case, it covers sizes from 1/16" to 1/2" in 1/64" increments, with a 135-degree split point for fast, accurate starts.

✅ 29-piece set covers 1/16" to 1/2" in 1/64" increments
✅ Cobalt steel with gold oxide finish for hard metals including stainless steel and nickel alloys
✅ 135° split point for self-centering starts and reduced thrust
✅ High red hardness enables higher speeds than conventional M2 HSS
✅ Round shanks fit a wide range of toolholding systems
✅ Supplied in a durable metal case; engineered to National Aerospace standard 907

💡 What is a cobalt drill bit set best used for in tough metalworking applications?

This handy guide explains typical uses and benefits in metalworking.

- For drilling stainless steel, nickel alloys, inconel, and titanium
- High red hardness enables faster speeds and longer bit life
- Gold oxide finish reduces friction and heat buildup
- Comes in a metal case for easy storage✝️