Winning Bore Cross Step Drill 4-22mm KURO-422 1 piece

Catalog number: KURO-422 Features: * Spiral grooves for improved sharpness. * Unique cutting edge configuration provides outstanding performance. * One tool can drill holes of different diameters. * Holes can be drilled accurately without wobbling. * Can be used for multiple purposes such as deburring, widening holes, and chamfering. * No center punch required. Uses: ●Iron 2mm or less, stainless steel 1.6mm or less, aluminum, copper, plywood, plastic, etc. ●Electricity, electrical installation work ●Automobile repair, sheet metal ●Hobby, DIY, etc. Specifications: ●Step width (mm): 6 ●Number of steps (steps): 19 ●Shank diameter (mm): 6.35 ●Drilling dimensions (φ): 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 ●Total length (mm): 98 ●Drilling dimensions (φmm): 4, 6, 8, 10, 12, 14, 16, 18, 20, 22 Material/Finish: ●Cobalt high speed steel Set contents/Accessories: ●None