M42 Cobalt Drill Bit Set One Sixteenth to One Half Inch, 29-Piece Fractional, 135 Degree Split Point, Ground From Solid M42 Cobalt, Huot Index, Killer Pro-Grade for Tough, Precise Drilling

This high production grade M42 cobalt drill bit set is ground from a solid blank with 8% cobalt content. It’s built for tough metals like stainless steel and titanium and is a staple in machine shops, metal fabrication, and automotive maintenance.

Designed for high tensile metals, this M42 cobalt drill bit set delivers long life and precise starts in stainless steel, titanium, and other hard alloys. It’s commonly used in machine shops, fabrication plants, and automotive work where durable, accurately ground bits are essential.

✅ 29-piece set covers 1/16-1/2 in fractional sizes
✅ Ground from solid M42 cobalt blank for durability
✅ 8% cobalt content for wear resistance and longer life
✅ 135-degree split point for fast starts and reduced walking
✅ Compatible with Huot index drill holders (jobber length)

💡 What is a cobalt drill bit set used for in metalworking? Handy tools for tough metals improve durability and hole quality.
- wear resistance in stainless steel and titanium
- longer life under high-tensile materials
- accurate entry with a 135-degree point
- solid blank construction from M42 cobalt