Description
Cobalt high speed steel fractional straight shank 27/64 in. size drill bit Constructed of M-35, 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 5-3/8 in. overall length 3-15/16 in. flute length