FM CARBIDE TURNING

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.

Jump to your insert shape:

CNMG (27) TNMG (24) DNMG (16) VNMG (11) WNMG (11) CCMT (6) CNMA (5) SNMG (5) RCMT (4) SNMA (4) VCMT (4) DCMT (3) TCMT (3) TNUX (3) TNMA (2) WNMA (2) KNUX (1) VBMT (1)

Complete your setup with CNC tool holders and carbide boring bars, or browse all turning inserts from every brand we carry.

27 items filtered by: CNMG ×

Dial In Your Cut

Free TechTips calculators for turning — machinist tested.

⚙️ Turning Formula CalculatorSpeeds, feeds and cutting formulas for the lathe — interactive, instant results.Open calculator → 📏 Feed Rate (Turning)From feed per revolution to inches per minute in seconds — dial in your finish.Open calculator → ⏱️ MRR CalculatorMaterial removal rate tells you how hard your insert is really working — and where your cycle time goes.Open calculator →