LNMU0303ZER-ML 4-edge High-feed Milling Insert For Steel & Cast Iron

LNMU0303ZER-ML 4-edge High-feed Milling Insert for Steel & Cast Iron

LNMU0303ZER-ML Carbide Insert, 45° Lead, AlTiN-coated, 4 cutting edges, fast feed

Buy LNMU0303ZER-ML double-sided high-feed milling insert. 4 edges, 45° lead, AlTiN-coated carbide. Matched to 90° face-mill cutter bodies. Stock in China, 24-h quote.

Key Features

Double-sided, 4 cutting edges → lowest cost per edge

45° lead angle + high helix → soft cutting, low power draw

Micro-grain carbide substrate, 8 % Co, TRS 3 800 MPa

AlTiN nano PVD coating, 3 200 HV, gold-black finish

Tight corner radius (0.4 / 0.8 mm) for semi-finishing

Ground to ISO h3 tolerance, mirror edge prep

Common Specs Insert designation: LNMU0303.. / LNMU0505.. / LNMU0606..
IC (inscribed circle): 9.525 mm / 12.7 mm / 15.875 mm
Thickness: 3.18 mm / 4.76 mm / 6.35 mm
Corner radius: 0.4 mm – 2.0 mm
Coating: AlTiN, TiSiN, TiB2 for aluminium optional

Applications

High-feed face milling (ap = 0.5–2.5 mm)

Shoulder milling, slotting, pocketing

Steels ≤ 45 HRC, cast iron, nodular iron

Ideal for power-limited machines < 15 kW

Cutoutil Tool® LNMU inserts give you 40 % faster feed, 2× edges vs. single-sided inserts, and flawless 90° shoulder finish. AlTiN nano-coating resists heat up to 900 °C-perfect for steel, cast iron, hardened 4140. Plug-and-play on our BAP-90, APKT-90 and LNGU cutter bodies. In stock, 48-h shipment worldwide.

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