Pro Grade Cobalt Drill Bit One And One Eighth Inch Diameter With Reduced Half Inch Shank DWDCO Series High Speed Steel Black Oxide Finish For Tough Metal Drilling And Long Lasting Wear

Cobalt Drill Bit 1 1/8 in Dia with 1/2 in Shank Single Bit
✔️ High-speed cobalt alloy, 135 degree split point, precise body

This cobalt drill bit is designed for tough metal drilling and is compatible with a wide range of toolholding systems due to its round shank. It’s ideal for drilling in low to medium tensile materials and high-tensile metals alike.

✅ Material: cobalt high-speed steel for toughness and wear resistance (1 1/8 in / 28.6 mm dia, 1/2 in / 12.7 mm shank)
✅ Finish: black oxide finish for lubricity and coolant pockets near the cutting edge
✅ Point: precision-ground 135° split point for fast penetration and reduced walking
✅ Shank: round shank to fit a wide range of toolholding systems; single bit size
✅ Applications: drilling in low to medium tensile strength metals and tough alloys

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

Metalworking pros reach for cobalt bits when drilling tough metals and hardened alloys. - Durable in stainless steel and high-tensile alloys
- Maintains sharpness and reduces heat during extended drilling
- Compatible with standard drill chucks and power drills