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The MJ breaker handles chips perfectly
"Industrial grade block that prevents insert shifting" The heavy-duty top clamp layout holds the DGN insert very securely under heavy radial loads
Thread lead is perfectly accurate across long shaft passes
"This cermet insert stays clean
Korloy CNMG120404-HA NC3020 Steel Turning Insert, Sharp Edge (10pcs) RCMT0602 The MJ breaker handles chipsThe Original Korloy CNMG120404 HA NC3020 (ANSI Standard: CNMG 431) is a unique high performance insert combining an ultra sharp geometry with a heavy duty CVD coating. While the HA chipbreaker is famous for its razor sharp shearing action, the NC3020 grade provides the thermal stability and wear resistance needed for high speed steel turning. This combination is the ultimate solution for low carbon steels, mild steels, and gummy alloy steels where
