Cobalt Drill Bit Set 115 Piece Set M35 High Speed Steel Twist Jobber Bits For Hardened Steel Cast Iron Wood Plastic With Indexed Storage Case One Sixteenth To One Half Inch A To Z And One To Sixty Sizes Beefy

This 115-piece cobalt drill bit set features M35 high-speed steel bits designed for hard metals and tough materials. The included indexed storage rack keeps sizes organized for workshop and metalworking use.

✅ 115-piece set includes 29 fractional sizes from 1/16 inch to 1/2 inch in 64ths
✅ 26 letter sizes A to Z for quick selection
✅ 60 numbered gauges 1 to 60 for precise sizing
✅ M35 cobalt blades provide drilling performance on stainless steel and cast iron
✅ 118-degree point for self-centering and fast cutting
✅ Hardened, polished blades resist wear for long-term sharpness
✅ Indexed storage rack with size index for easy organization
✅ Durable storage case compatible with most brands

💡 What is a common, technical question buyers ask about cobalt drill bit sets for metalworking?
These cobalt bits deliver reliable performance in hard metals and busy workshops.
- M35 cobalt alloy boosts heat resistance for stainless steel and cast iron
- 118-degree point improves start accuracy and self-centering
- Hardened, polished blades resist wear for long-term sharpness
- Indexed storage case speeds size selection in busy workshops