Product Overview
Aircraft Extension SWG Number Drill Bit, #21 Diameter, 0.1590 Decimal Equivalent, 2-1/8" Flute Length, 12" Overall Length, High Speed Steel, Black Oxide Finish, 135° Split Point, Straight Shank, Heavy Duty, Right Hand Spiral, 6 per Envelope. Alfa Tools AE60761 #21 x 12 HSS Aircraft Extension Drill
