41/64 COBALT TAPER LENGTH DRILL
Alfa USA Taper Length Fractional Drill Bit, 41/64" Diameter, 0.6406 Decimal Equivalent, 5-1/8" Flute Length, 9" Overall Length, M42 Cobalt High Speed Steel, 135 degree Split Point, Straight Shank, Right Hand Spiral, Made in USA, 1 per Tube