#55 COBALT SCREW MACHINE DRILL
Alfa USA Cobalt Screw Machine Length SWG Number Drill Bit, #55 Diameter, 0.0520 Decimal Equivalent, 5/8" Flute Length, 1-5/8" Overall Length, M42 High Speed Steel, 135 degree Straw Gold Finish, Straight Shank, Right Hand Spiral, Heavy Duty, Made in USA, 12 per Envelope