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KORLOY MGMN 400-02-M NC3030 Cut Off, Grooving,Groove Turning Positive TiC + TiCN + Al2O3 + TiN Excellent coated grade for rough cuts in steel and steel alloys. Equivalent to P20-P40 and M20-M40 grade. Recommended Cutting Speed: 250-650 SFM.