Product Overview
Aircraft Extension SWG Number Drill Bit, #55 Diameter, 0.0520 Decimal Equivalent, 7/8" Flute Length, 6" Overall Length, High Speed Steel, Black Oxide Finish, 135° Split Point, Straight Shank, Heavy Duty, Right Hand Spiral, 12 per Envelope. Alfa Tools AE60695 #55 x 6 HSS Aircraft Extension Drill