Cobalt Drill Bit Set 29 Pc M35 HSS Tough As Nails Heavy Duty Jobber Length Bits For Hardened Metal Stainless Steel Cast Iron Wood And Plastic With Metal Indexed Storage Case Sizes One Sixteenth To One Half Inch

29-Piece M35 Cobalt HSS Drill Bit Set for Hardened Metals
✔️ 29pc M35 cobalt HSS bits 1/16-1/2 in with indexed case

These cobalt drill bits are a tough, long-lasting set designed for metalworking and general shop use. Ideal for drilling hardened metal, stainless steel, cast iron, and plastics in professional projects and DIY tasks.

✅ 29 sizes from 1/16 to 1/2 in (29 pcs) for a wide range of hole sizes
✅ 135° split point for self-centering, quick penetration
✅ M35 cobalt HSS for longer life in stainless steel and hard alloys
✅ Self-clearing twist design for efficient chip removal
✅ storage case with metal indexed size holder for quick access

💡 What is a long-lasting cobalt drill bit set used for in metalworking?

These bits offer strong wear resistance and clean starts, making them handy for tough materials.

- High heat resistance when drilling stainless steel and other hard alloys - 5% cobalt content increases durability and life - 135° split point helps start holes accurately and reduce wandering - Works with steel, cast iron, copper, aluminum, plastic, and wood in many projects✝️