drill bits & sets
irwin 3016032 cobalt drill bit 1 2 cobalt drill bit
1 2 cobalt drill bit . constructed of m 42 8 % 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 deg . split point reduces feed pressure for easier penetration without work hardening . diameter 1 2 shank diameter 3 8 reduced material cobalt split point angle 135 deg pkg qty 1 package type card
irwin