Description
Jobber length drill with straight shank, diameter 0.1610″ (N20) with an overall length of 3.1/4″ and flute length of 1.1/16″ according to NAS907 Type D standard with 135° heavy duty split point, cobalt based HSS-E with bronze finish for 3xD drilling without pecking in steel, stainless steel, cast iron and super-alloy
