FM Carbide Turning Inserts — premium indexable inserts in proven grades and chip breakers, at direct pricing.
How to read a title in 10 seconds: shape code (CNMG) → size (120404 metric / 431 inch — same insert, two names) → chip breaker (BF, BG, BL…) → grade (FM324, FM524…). See the full chip breaker legend & cutting speed chart → Or ask us — machinist-to-machinist, we'll recommend one.