HiKOKI Step Drill 5-21mm 0037-4481 1 piece

Catalog number: 0037-4481 Features: ●The bamboo shoot shape allows you to drill holes of various sizes with just one tool. ●Cobalt high speed steel with titanium coating that has excellent wear resistance and heat resistance. ●Spiral blade shape with sharp cutting edge. Applications: ●For cordless 100V impact drivers. ●For drilling holes in metal, enlarging holes, removing burrs, chamfering, and drilling pilot holes for wood screws. Specifications: ●Number of steps: 9 ●Shank shape: Hexagonal shaft ●Shank diameter (mm): 6.35 ●Drilling dimensions (φ): 5, 7, 9, 11, 13, 15, 17, 19, 21 ●Total length (mm): 79 ●Effective length (mm): 52 ●Surface treatment: Titanium coating ●Step drill 5-21mm ●Cutting material: Various metals Material/Finish: ●Cobalt high speed steel