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The SECO 00071643 is a solid carbide multi-directional turning insert engineered for precision turning and grooving operations on CNC and manual lathes. Built to the LCMF style in the MDT series, it carries a CP500 manufacturer grade with a micrograin carbide substrate and a PVD-applied TiAlN/TiN coating for wear resistance and edge retention at elevated cutting temperatures. Key cutting geometry includes a maximum cutting width of 0.187 inches, a cutting height of 0.177 inches, and a corner radius of 0.094 inches. The double-ended, full-radius, neutral-hand design extends tool life and suits high-volume production environments where machinists demand consistent, repeatable performance across multiple material groups.
This insert is suited for use on both CNC turning centers and manual lathes in residential-shop, job-shop, and industrial production settings. The CP500 grade with MP chipbreaker geometry targets a broad range of workpiece materials — including hardened steels, cast iron, stainless steel, non-ferrous metals, general steels, and heat-resistant superalloys, corresponding to ISO material codes H, K, M, N, P, and S. It is typically installed by machinists and CNC operators performing multi-directional turning, grooving, or profiling passes where a single insert geometry must handle varied cutting directions and stock conditions.
Designed as an OEM-style replacement or direct-fit insert for LCMF-style MDT series toolholders accepting the 160500 insert size code. Specific toolholder compatibility should be verified against SECO MDT series holder documentation using style code LCMF160500-A187-MP.
Installation is performed by qualified machinists or CNC operators. Power down and lock out the machine spindle before seating or indexing inserts. Use the correct torque wrench and manufacturer-specified clamping hardware for LCMF-style seats to avoid micro-fracturing the carbide. Inspect the insert pocket and clamping screw for wear or debris before each insert change to ensure proper seating and prevent edge chipping during cut.
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