Iwata Tool Toglon Hard Drill Short for High Hardness, Blade Diameter 3.9, Total Length 60, TGHDS3.9CBALD, 1 Piece

Catalog number: TGHDS3.9CBALD Features: ●Hole drilling is possible in hardened steel with HRC40 to 72. ●Three blades and unique shape provide an incredible lifespan and increased processing speed for hardened steel. ●Compared to conventional high-hardness drills, the hole diameter precision and hole surface roughness are both outstanding. Applications: ●Workpiece: Hardened steel HRC40 to 72 Specifications: ●Blade diameter (mm): 3.9 ●Groove length (mm): 22 ●Total length (mm): 60 ●Shank diameter (mm): 4 ●Effective processing depth: 5 to 7D (blade diameter x 4 to 7 times) ●Surface treatment: ALD coating ●Diameter (mm): 3.9 Material/Finish: ●Carbide