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4pcs twist cobalt drill bits set
4pcs twist cobalt drill bits set

1.Description:M35 Cobalt Drill Bits 2.Material:HSS Cobalt 5% 3.Process:Fully Ground 4.Degree:135 5.Packing:Plastic box

Drill bits

· Constructed of M-35 5% cobalt high speed steel for super abrasive resistance in tough metals. 

· Heavy duty spiral flute design produces faster chip ejection.  

· Shorter cutting lips reduce torque for drilling in high tensile strength materials.  

· 135-degree split point reduces feed pressure for easier penetration without work hardening.

4pcs twist cobalt drill bits set

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