US7020 Grade (Stainless Steel Expert): The US7020 is a premium CVD-coated grade designed specifically for M-Class (Stainless Steel)
chips often "nest" inside the bore
avoid generalized chipbreakers
"The AlTiN coating on the AH725 grade is top tier
effectively preventing built-up edge (BUE) and oxidative wear
CNMG120404HQ PR1125 (10pcs) CCGT09T301ER-U PR930 US7020 Grade (Stainless Steel Expert):PVD Coated Carbide: PR1125, Designation: CNMG120404HQ PR1125 Corner Radius (in) RE: 1 64 ,Sharp cutting performance with 3 D rake angle and double projection design,Stainless Steel: Light Interruption 2nd Choice,HRSA: Light Interruption 2nd Choice ,Color: Purple Red , Coating Main Component: TiAlN,Advantages: Hard TiAlN base PVD coated super micro grain carbide, superior toughness and heat resistance,Application: Finishing and light interrupted