4 Flute Extended Solid Carbide End Mill, 68°, Black Coated, Special for Stainless Steel & Cast Iron, CNC

4 Flute Extended Solid Carbide End Mill, 68°, Black Coated, Special for Stainless Steel & Cast Iron, CNC. Designed specifically for SUS304 stainless steel machining, effectively avoid built-up edge. HRC68 high hardness coating, excellent heat resistance and wear resistance. Special groove design, smooth chip removal for stainless steel. Solid tungsten carbide substrate, high rigidity, not easy to crack. Precision grinding edge, sharp cutting edge and good surface finish. Anti-vibration structure, reduce chatter marks during high speed cutting. Suitable for continuous and intermittent cutting of stainless steel. Strict edge honing treatment, extend tool service life greatly. Can handle both flat surface and curved surface processing. Low cutting resistance, reduce load on CNC machine.