Product Overview
        Aircraft Extension SWG Number Drill Bit, #19 Diameter, 0.1660 Decimal Equivalent, 2-1/8" Flute Length, 12" Overall Length, M42 Cobalt High Speed Steel, Straw Gold Finish, 135° Split Point, Straight Shank, Heavy Duty, Right Hand Spiral, 6 per Envelope. Alfa Tools AECO60749 #19 SWG 12 Cobalt Aircraft Extension Drill