Step Drills for Cap Screw Clearance Holes - HSS 1/2 HSS Taper Length 17/32 Min Dia., 25/32 Maj Dia., 1 Step Length, 6 LOC, 9-7/8 OAL

Description

List No. 371 - Jobbers LengthList No. 471 - Taper LengthFor drilling and counterboring Cap Screw Clearance Holes An essential tool for every tool room. One tool does two jobs in a single pass .They can be sharpened repeatedly and are easily modified for any special length - of - step.