Description
Jobber length drill with straight shank, diameter 0.3281″ (21/64) with an overall length of 4.5/8″ and flute length of 3.5/16″ according to NAS907 Type J standard with 135° heavy duty split point, cobalt based HSS-E with bronze finish for 4xD drilling without pecking in steel, stainless steel, cast iron and super-alloy
