Cobalt Drill Bit Set 21 Piece M35 High Speed Steel For Hardened Steel Stainless Steel And Alloy Steel With Index Case 1/16 To 3/8 Inch Drill Bits Built Tough And Heat Resistant For Long Lasting Performance

Cobalt Drill Bit Set: M35 HSS for hardened metals, 21 pcs
✔️ Includes 1/16 to 3/8 inch bits in rugged index case

This 21-piece cobalt drill bit set uses M35 high-speed steel with cobalt to boost durability and heat resistance, designed for drilling hardened steel, stainless steel, and alloy steel. Comes in a rugged index case for easy organization and transport, making it handy for metalworking shops and DIY projects.

✅ Material: M35 high speed steel with cobalt for added durability
✅ 135° split point for easier starting and less center pressure
✅ Dual flutes for efficient chip removal and coolant access
✅ Sizes included: 1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 11/64, 3/16, 13/64, 7/32, 15/64, 1/4, 17/64, 9/32, 19/64, 5/16, 21/64, 11/32, 23/64, 3/8
✅ Comes in a durable index case for organized storage
✅ Pack size: 21 pieces in a single set

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

Handy for drilling tough metals and durable in harsh metalworking tasks.

• M35 cobalt HSS material provides durability for hardened steel and stainless steel
• 135° split point minimizes center drilling pressure and heat buildup
• Includes 21 sizes from 1/16 to 3/8 in in a rugged index case