Milling inserts from Grainger can cleanly and efficiently turn, bore and cut stainless steel, cast iron and other non-ferrous metals. A milling insert easily attaches to a cutting tool's modular head to help deliver proven face milling, pocketing, slotting and plunging results. Find a wide variety of mill inserts here, including index, carbide and thread mill variations. Rely on Grainger for milling inserts and all your other machine tooling parts and accessories.