ZCC.CT CNMG120408-PM YBD252 Carbide Turning Inserts for Cast Iron TBMT060102DP TN60 TT8020 fixed it immediately

TT8020 fixed it immediately

Tungaloy TCMT110208-PS NS9530 Turning Insert

BEYOND S10K-SDZCL07 Precision 10mm Solid Alloy Steel Shank Screw-Clamped Left-Hand CNC Lathe Internal Boring Bar (125mm Total Length)

this holder is explicitly tailored to handle standard CCMT 1204__ (CCMT 43_) or CCGT 1204__ 80° rhombic carbide inserts

preventing notch wear and built-up edge—the two biggest enemies of stainless steel machining

ZCC.CT CNMG120408-PM YBD252 Carbide Turning Inserts for Cast Iron TBMT060102DP TN60 TT8020 fixed it immediatelyZCC. CT CNMG120408 PM YBD252: The Ultimate Choice for Cast Iron Machining Product Overview "Which carbide insert grade provides the best impact resistance and tool life for interrupted medium turning of ductile and gray cast iron?" The ZCC. CT CNMG120408 PM YBD252 is an industrial strength turning insert engineered for the K group (Cast Iron). The YBD252 grade features a specialized thick CVD coating (Al2O3 + TiCN) over a highly tough substrate,