5/16 HSS 1/4 SHANK ECONOMY LENGTH DRILL
Alfa USA Economy Length Reduced Shank Drill Bit, 5/16" Diameter, 0.3125 Decimal Equivalent, 2-1/2" Flute Length, 4" Overall Length, High Speed Steel, Bright Finish, 118 degree Point, 1/4" Reduced Shank, General Purpose, Right Hand Spiral, Made in USA, 6 per Envelope