Lovejoy MECA-532J GR LTC-21 Carbide Milling Insert (10 pcs)
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The Lovejoy Tool MECA-532J GR LTC-21 is a new, USA-made square carbide milling insert designed for face milling and shoulder milling applications. The "MECA" designation identifies this as a square-geometry indexable insert with a top-face chipbreaker geometry suited for face mill bodies in the Lovejoy MECA cutter series; "532" encodes the insert size (approx. 5/8 in IC, 3/16 in thickness) and nose radius ("J" = 1/64 in or 0.016 in); "GR" denotes the grade — a PVD-coated micrograin carbide grade — and "LTC-21" is the specific Lovejoy grade designation indicating a TiCN/Al2O3-based PVD coating optimized for general-purpose milling of steel, stainless, and cast iron. The insert body is machined from a trapezoidal/wedge-shaped steel backing (visible in photo) typical of MECA-style top-clamp insert systems, featuring a central through-hole for screw clamping. Made in U.S.A. per the packaging label; the box contains 10 inserts per the visible tray configuration.
Product Specifications
| Brand | Lovejoy Tool |
| MPN | MECA-532J GR LTC-21 |
| Catalog / Item Number | C-055787-23-00 |
| Insert Series | MECA (square face mill insert) |
| Insert Shape | Square |
| Insert Size Code | 532 |
| Inscribed Circle (IC) | 5/8 in (approx.) |
| Thickness | 3/16 in (approx.) |
| Nose Radius (J) | 1/64 in (0.016 in) |
| Grade | LTC-21 |
| Coating | PVD TiCN/Al2O3 (GR LTC-21) |
| Substrate | Micrograin carbide |
| Mounting Style | Central through-hole, top clamp |
| Country of Origin | USA |
| Condition | New |
| Quantity per Box | 10 inserts |
| Compatible Cutter Series | Lovejoy MECA face mill bodies |