Cobalt Drill Bit Set 21 Pcs M35 HSS Pro Grade Heavy Duty Twist Jobber Length For Hardened Metal Stainless Steel Cast Iron And Wood Plastic With Metal Indexed Storage Case One Sixteenth To Three Eighths Inch

Pro Grade M35 Cobalt Drill Bit Set: 21pcs for Metal & Wood
✔️ Includes 21 Pcs of M35 cobalt HSS bits with storage index

This 21-piece M35 cobalt HSS drill bit set is designed for metalworking tasks and excels at drilling hardened steel, stainless steel, cast iron, aluminum, copper, plastic, and wood. The 5% cobalt composition delivers longer life under heat and wear, and the metal indexed storage case keeps bits organized for quick access.

✅ 21 piece cobalt HSS drill bit set for hardened metals
✅ M35 cobalt HSS design for wear and heat resistance
✅ 135° split point for fast, accurate starts
✅ Twist shank clears chips efficiently
✅ Includes metal indexed storage case for organization
✅ Sizes range 1/16" to 3/8"

💡 What is a high-performance cobalt drill bit set used for in metalworking? This handy guide highlights common uses.
- For drilling stainless steel and hard alloys with reduced wear
- For automotive fabrication and shop tasks needing durable tools
- For clean starts in wood, plastic, and aluminum when precision matters