Step drill STREND PRO SD41 4-32mm

Step drill bit - diameter range 4–32 mm, HSS steel material class 4241, composition: W 1.50–2.50, Mo 0.60–1.20, Cr 3.80–4.40, V 0.50–0.70, the stepped shape allows drilling different diameters with one tool, suitable for drilling into sheet metal, plastic and thin-walled materials, shank for standard chucks