29-Piece M35 Cobalt Drill Bit Set For Steel And Hardened Metals, 1/16 To 1/2 Inch Bits With Index Case, High Red Hardness And Wear Resistance For Stainless, Alloy And High Speed Steel

M35 cobalt drill bit set for hardened steel and stainless
✔️ 29-piece cobalt drill bits for steel, stainless, and alloys

This 29-piece cobalt drill bit set uses M35 cobalt with 5% cobalt to deliver strong red hardness and wear resistance for drilling through stainless steel, alloy steel, and other hard metals. The included index case helps keep all bits organized for DIY projects or professional metalworking.

✅ 5% cobalt alloy provides high red hardness for heat resistance
✅ Sizes range from 1/16" to 1/2" across 29 pieces
✅ 135° split point and twist design start cuts cleanly and reduce walking
✅ Side grooves eject chips to keep the hole clear
✅ Includes an index case for easy storage and transport

💡 What is a cobalt drill bit set best for drilling hardened steel and stainless alloys?

This handy guide shows why cobalt bits excel in metalworking:

• High red hardness and wear resistance from 5% cobalt beat stainless and alloy steel wear
• 135° split point reduces wandering and starts holes accurately
• Wide size range from 1/16" to 1/2" covers common metal drilling tasks
• Index case keeps bits organized for quick access

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