M4 HSS Co Japan spiral machine threader

Machine tapping M4 HSS Co Japan spiral+ OXIDIZED COATING Made DIN371 spiral grooves angle 40°, Pre-hole: fi 3.3 mm. Material HSS-E M35 Manufactured from high grade M35 steel with Cobalt HSS-E The cobalt and carbide content helps to maintain high requirements such as high mechanical strength, wear resistance of the tool at high temperatures, Perfectly suitable for machining Stainless Steel and its alloys.