PFERD HSS Step Drill Bit | 9 Steps Diameter 4-12 mm, 3 Surface Shank Diameter 6 mm | 25201036 - for Burr-Free Drilling

PFERD HSS step drill STB HSS 04-12/6 // HSS step drill for drilling and deburring thin sheets, pipes and profiles made of various materials. For safe torque transmission, all step drills have a triple surface shaft. // Drilling range: 4-12 mm // Drill steps: 9 // Shank diameter: 6 mm // Total length: 65 mm // Machinable materials: steel, cast steel, stainless steel (INOX), non-ferrous metals, plastics, other materials // Processing tasks: drilling, En. tgraten // A. Recommended use: place HSS step drill on sheets, pipes and profiles up to max. 4 mm material thickness. Please note the speed recommendations. For step drills without coating, use cutting oil or compressed air as coolants/lubricants. // Matching tool drives: drill, stand drill // Safety note: for safe torque transmission, step drills have a triple surface shaft.