Material: SRDPN1616H10 is 40Cr steel, it has the characteristics of durability, sturdiness and stability, and good anti-rust performance. RPMT10T3 MOE indexable milling inserts cutter material is carbide, and the coating is CVD Al2O3 TICN, It has good toughness, wear resistance and high temperature resistance, the milling insert can be used for milling cast iron, steel parts and stainless steel.