SET OF STEP DRILLS 4PCS. Sthor 22617

Product description. Set of step drills by STHOR 22617 Designed for drilling in high-grade stainless, structural and cold-rolled steel, non-ferrous metals, steel sheets,plastics. - The edges of the drilled hole remain clean and burr-free - The drill bit does not escape on rounded surfaces - Self-centering on rounded and slippery surfaces - Fast heat dissipation when drilling in hard materials - Made of HSS high speed steel, coated with titanium nitride - Graduated in 2 and 3 mm increments. Cylindrical shank. Parameters. Diameter [mm]: 4-39. Material: HSS. Application: Metal. Grip: Walled.