Model Number: Non-standard milling cutters Brand Name: LZtechnology Key Specifications/Special Features: .Choosing top of tungsten carbide material.Unique design of chip breaker groove, avoid space craft, the blade type unequal parts spiral technology.Adopts German Walter grinder and double passivation technology.Swiss Platit coating technology.For HRC <60 (or equal) hardened steel, hardened and tempered alloy steel, stainless steel, copper alloy and other high speed high hard processing more efficient.Life increased more than 1.8-2.5 times Materialtungsten carbide Coating AlTiN, Nacoblue/Nacoblack/TiN Helix Angle 35-45° Hardness HRC45-65 Size length: 50-150mm Smooth Finish highly polished