Product Overview
Alfa USA Jobber Length Cobalt Fractional Drill Bit, 5/16" Diameter, 0.3125" Dia., 3-3/16" Flute Length, 4-1/2" Overall Length, High Speed, Straw Gold Finish, 135° Split Point, NAS 907, Type J, Straight Shank, Heavy Duty, Left Hand, USA Made, 12 per. Alfa Tools JDLCO93117 5/16 Cobalt Left Hand Jobber Drill