20 Piece 7 64 Inch Cobalt Drill Bits M35 HSS Pro Grade Heavy Duty Set For Steel Stainless Steel Cast Iron Hard Plastic And Wood With Durable Storage Case

20-Piece Cobalt Drill Bit Set for Metal & Wood
✔️ 7/64 in dia, 20 pcs, cobalt M35 HSS, with durable storage case

This 20-piece cobalt drill bit set uses M35 high-speed steel with 5% cobalt for superior hardness and wear resistance. The 135-degree self-centering split-point reduces walking on hard surfaces, making it ideal for drilling hardened metal, stainless steel, cast iron, plastic, PVC board, and wood. Each bit is precision-ground and heat-treated for consistent diameter accuracy within -0.03 mm. The bits come in a durable plastic storage case for easy organization.

✅ 7/64 in diameter (2.778 mm) drill bits for metal and wood
✅ M35 cobalt HSS for hardened metals, longer bit life
✅ 135-degree split-point self-centering design to prevent walking
✅ Includes durable plastic storage case for organization

💡 What is a cobalt drill bit set used for?

Cobalt drill bits are built for drilling through hard metals and provide long life and heat resistance. - ideal for drilling hardened steel, stainless steel, and cast iron
- 5% cobalt content gives increased hardness and wear resistance
- 135-degree split-point helps start holes accurately and reduces walking on tough surfaces
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