PROTEC.class 05102213 Special drill step drill HSS SP size 17 6.5-40.5 PSTB

High-quality HSS steel (DMO5) brightly ground, point thinning: cross grinding according to DIN 1412C, tip angle: 118°, step angle: 90°, surface: bright, 3-point flat shank for perfect hold of the tools in the drill chuck