Ultimatecut FS Spiral Drill Bit DIN 338 Type N D.10.5 mm HSS-Co5 Gold 3-Flat Shank: HSS-Co5, DIN 338, Flowstep tip, point angle 118°, right-hand cutting, 3-flat shank, precise centering without pre-punching even on round surfaces such as pipes, extremely fast and effort-saving drilling, drilling large diameters without pre-drilling, smooth and quiet drilling process without binding in the material, 3-flat shank prevents slipping in the chuck, optimally suited for use in hand-held power tools, for non-ferrous metals, construction and carbon steels, high-alloy steels (e.g., V2A/V4A), tool steels, magnesium alloys, plastics as well as aluminum, Plexiglas, and wood. With cylindrical shank: up to nominal diameter 3.3 mm with 3-flat shank: from nominal diameter 3.5 mm. Additional technical specifications: nominal diameter tolerance: h8, overall length: 133 mm, cutting direction: right-hand cutting, feed in steel up to 800 N: 0.2 mm/rev.