Cobalt High Speed Steel Drill Bit Sets, 1/16 in - 1/2 in Cut Dia.
Constructed of M-42 5 percent 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|
135-degree split point reduces feed pressure for easier penetration without work hardening
Constructed of M-42 5 percent 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
