Five Eighths Inch Reduced Shank Cobalt Drill Bit With Half Inch Shank For Hard Metals Stainless Steel And Nickel Alloys Gold Oxide Finish Delivers Long Lasting Sharpness And Fast Clean Holes For Pro Level Drilling

5/8 in Reduced Shank Cobalt Drill Bit for Stainless Alloys
✔️ Single bit, gold oxide finish, 135° split point, cobalt

Designed for hard metals, this cobalt drill bit hits stainless steel and nickel alloys with precision. The round shank supports many toolholding setups, while the gold oxide finish helps extend life in tough drilling tasks.

✅ Cobalt steel with gold oxide finish for improved wear resistance
✅ 135° heavy-duty split point for fast starts and reduced walking
✅ Precision ground shank and body for tight concentricity
✅ Round shank for compatibility with many toolholding systems
✅ Common flute and overall length to minimize tool changes

💡 What is a cobalt drill bit best used for when drilling stainless steel and nickel alloys? Handy, reliable performance makes it a go-to for metal shops.
- Use appropriate speeds and lubrication to control heat and prolong tip life
- Start with a center punch to guide the bit and prevent wandering
- Maintain sharpness by using the correct grade and avoiding overheating