SET OF STEP DRILLS 3PCS. Yato YT-44731

Product description. Set of step drills by YATO brand YT-44731.Designed for drilling in high-grade stainless, structural and cold-rolled steel, non-ferrous metals, steel sheets, plastics. - made of HSS 4241 high-speed steel, coated with titanium nitride to increase the life of the drill bits - the edges of the drilled hole remain clean and burr-free - self-centering on rounded and slippery surfaces - fast heat dissipation when drilling in hard materials - 2 spiral chip grooves efficiently drain the excavated material. Package contents. The set includes 3 drill bits with diameters of 3-20 mm. - Drill 3-12 mm, steps: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12 mm . - drill bit 4-12 mm, steps: 4, 6, 8, 10, 12 mm . drill bit 4-20 mm, steps: 4, 6, 8, 10, 12, 14, 16, 18, 20 mm Parameters. Diameter [mm]: 3-20. Material: HSS 4241 steel. Application: Metal. Handle: Hex.