PROTEC.class 05102209 Special drill step drill set HSS Rosebox PSTBS

3-piece in a high-quality ABS box, box: lid and base made of impact- and break-resistant ABS plastic material, insert, closure and hanger made of polypropylene (PP), hinges made of polyamide (PA), drill bit: high-quality HSS steel (DMO5), brightly ground, point sharpening: cross-ground in accordance with DIN 1412C, tip angle: 118°, step angle: 90°, surface: bright, 3-point flat shank for perfect hold of the tools in the drill chuck, sizes 0/9 = 4-12 mm, size 1 = 4-20 mm, size 2 = 4-30 mm