RUKO 4-blade spiral step drill 6-27mm high speed steel Lunatech coating 101084P 1 piece

Catalog number: 101084P Features: ●Can drill holes in workpieces up to 10mm thick. ●Turbo tip shape eliminates the need for a center punch. ●RUKO's unique Lunatech coating ensures long-lasting sharpness. Applications: ●Cutting materials: Steel plates (strength 1300N/mm2 or less), H-shaped steel, stainless steel, aluminum, brass, plastic, wood, etc. (up to 10mm) Specifications: ●Step width (mm): 10 ●Number of steps (steps): 8 ●Shank diameter (mm): 12 ●Drilling dimensions (φ): 6, 9, 12, 15, 18, 21, 24, 27 ●Total length (mm): 125 ●Surface treatment: Lunatech coating ●Color: Purple ●Shank: Three-sided chamfer Material/Finish: ●High-speed steel