HSS step drill , for copper, brass, aluminum, plastic, wood, with 9 drilling steps
HSS step drill, especially for cable glands in electrical assembly, perfectly round and cylindrical holes in various diameters, centering, spot drilling, reaming and deburring in one operation, suitable for use in hand-held and pillar drilling machines in trade and industry, for sheets and plates, profiles and pipes made of steel, brass, copper, aluminum, V2A steel, plastic, wood, etc. up to 3 mm thickness. Mounting shank 12 mm Ø. Design: HSS; Drill Ømm: 8.0 center drill; 12.5 through hole for PG7/M12; 15.2 through hole for PG9; 18.6 through hole for PG11; 20.4 through hole for PG 13.5; 22.5 through hole for PG 16; 25.8; 28.3 through hole for PG 21; 30.5 core hole for M32; Drill steps: 9. PU: 1.
