☞Face Mill Arbor--Made from alloy steel hardened to HRC 52-56
☞ Model: APMT1604 PDER , Coating: CVD, Material: Carbide, Heat treatment makes inserts harder. Application: Especially suitable for processing hard steel parts (eg. 4140 alloy steel ) and stainless iron, suitable for material of HRC15 °- HRC45 °,installed on 400R Series End milling holder
☞Advantages : The carbide matrix combination with the AlTiN coating of composite multilayer structure greatly prolongs service life of cutting tool , has super strong film-base bonding force and extremely low friction coefficient .
☞Package includes: 1"×1"×3-3/4" milling holder + 2pcs APMT1604PDER BP010 milling insert for steel + 10pcs APMT1604PDER ZM1135 for hard steel