Pro Grade Cobalt Drill Bit Set 29 Pcs M35 High Speed Steel Bits For Hardened Metals Stainless Steel Cast Iron And Wood Plastic With Durable Metal Index Storage Box One Sixteenth Inch Through One Half Inch
✔️ 29 high-speed cobalt bits from 1/16 in to 1/2 in, in a rugged box
This cobalt drill bit set packs 29 sizes from 1/16 in (1.59 mm) up to 1/2 in (12.70 mm) for drilling through hardened metals and common materials. The M35 cobalt alloy offers superior wear resistance, making it ideal for stainless steel, cast iron, aluminum, copper, and plastics. Comes in a durable metal index storage box for quick selection on job sites.
✅ 29 sizes range from 1/16 in (1.59 mm) to 1/2 in (12.70 mm) to cover many jobs
✅ M35 cobalt alloy provides superior wear resistance and heat tolerance for tough metals
✅ 135-degree point and twist design ensures fast cutting with reduced walking
✅ Self-centering geometry minimizes wandering and promotes precise holes
✅ Includes a sturdy metal index box for easy organization and transport
💡 What is a high-speed cobalt drill bit set used for in metalworking?
These bits are handy for drilling through hard metals with clean holes and long life.
- Ideal for stainless steel, cast iron, aluminum, copper, and plastics
- Cobalt M35 alloy boosts wear resistance and heat tolerance
- 135-degree point and twist design speeds drilling and reduces wandering
- Compact metal index box keeps bit sizes organized on the job