FM CARBIDE DRILLING

FM Carbide Drill Inserts — indexable drilling inserts in FM125 grade (multi-purpose PVD for steels, stainless, cast iron and super-alloys), at direct pricing.

How to read a title in 10 seconds: shape code (SPMX) → size (110408) → grade (FM125). See FM125 cutting speeds by material → Or ask us — machinist-to-machinist, we'll recommend one.

Jump to your insert shape:

SPMX (3) WCMX (3)

Need finished-hole precision after drilling? See our carbide reamers. Milling instead? FM Carbide milling inserts · Turning? Carbide turning inserts.

3 items filtered by: SPMX ×

Dial In Your Cut

Free TechTips calculators for drilling — machinist tested.

⚙️ Drilling Formula CalculatorRPM, feed and cutting formulas for drilling — interactive, instant results.Open calculator → 📏 Tap Drill Size CalculatorThe right hole size before the tap — UNC/UNF sizes with 75% thread engagement.Open calculator → ⏱️ MRR CalculatorMaterial removal rate tells you how hard your drill is really working — and where your cycle time goes.Open calculator →