Pro Grade Cobalt Alloy Drill Bit Set for Tough Metals, Jobber Length, Fractional Sizes, 21 Piece M42 HSS with 135 Degree Split Point and Heavy Duty Spiral Flutes for Fast Chip Ejection and Easy Penetration

Pro Grade Cobalt Drill Bits for Hard Metals-21 Piece Jobber
✔️ M-42 5% cobalt HSS, 135° split point, heavy-flute, metal index

This 21-piece jobber-length cobalt drill bit set uses M-42 5% cobalt HSS for tough metals. It's handy in automotive, industrial fabrication, and metalworking tasks that demand durable cutting tools.

✅ M-42 5% cobalt HSS for superior abrasive resistance in tough metals
✅ 135° split point for easier penetration and reduced feed pressure
✅ Heavy-duty spiral flutes for fast chip ejection
✅ Shorter cutting lips reduce torque in high-tensile materials
✅ Includes a metal index case for organization and transport
✅ Fractional sizes, jobber length, 21-piece set

💡 What is a cobalt drill bit used for in hard metals like stainless steel and titanium? This handy tool is designed for tough metalworking tasks.

- ideal for drilling stainless steel, titanium, and other hard alloys - maintains edge hardness under high heat and heavy cutting - recommended speeds and feeds depend on material and drill size✝️