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