Echaintool in Taiwan produces carbide square end mill (flat end mill), end mill for aluminum, ball nose end mill (ball end mill), Corner Radius carbide end mill (bull nose end mill). They are all central cutting end mill. The hardness of the workpiece below 55 HRC is available. Different AlTin Coating and helix angles are offered. Common flutes are 2 flutes end mill, 3 flutes end mill, and 4 flutes end mill. We also have 6 flutes end mills.