R10A1/4
R10A Jobber Drill
Ordering number: 5997506
Jobber length drill with straight shank, diameter 0.2500" (1/4) with an overall length of 4" and flute length of 2.3/4" according to NAS907 Type A standard with 118° general purpose split point, HSS with steam tempered finish for 4xD drilling without pecking in steel and cast iron