Product: Tungsten Carbide Square End MillsMaterial: Tungsten CarbideType: Metric,Website:http://www.chinabettool.com, Imperial, Non-standardProduct Description:The square end mills have a ... 3 flutes and so on.Usually, 2 flutes square end mill is used to process groove, 6 flutes ... used to mill flat, tungsten carbide material will provide good service life.End mills always spiral or straight flutes ...