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The SECO 03063885 is a solid carbide turning insert in the CCMT-M3 series, designed for precision metal cutting in CNC and manual lathe applications. It carries a CVD-applied Duratomic coating of TiCN, Al2O3, and Cr for extended wear resistance and thermal stability across interrupted and continuous cuts. The insert features an 80-degree diamond shape, a neutral hand orientation, a 0.5079-inch insert length, and a 1/2-inch inscribed circle. The M3 chip breaker geometry and chamfered-and-honed cutting edge make this insert well suited for medium to semi-finishing operations. Licensed machinists and CNC tooling technicians are the primary installers of this product.
This insert is primarily rated for cast iron (ISO material code K) and performs in secondary applications involving steel and stainless steel (ISO material codes P and M). It is suited for boring, facing, and turning operations at typical lathe and machining center setups in job shop, production, and maintenance machining environments. The CCMT432-M3 industry standard designation and ISO code CCMT120408-M3 confirm cross-reference compatibility for tooling specification workflows. It is a multi-use insert appropriate for both roughing approaches and finish passes within its rated depth-of-cut range.
Rated for use with cast iron as the primary workpiece material (ISO K10, K20, K30 material grades), with secondary compatibility for steel and stainless steel. Conforms to ANSI and ISO standards under industry standard number CCMT432-M3 and ISO code CCMT120408-M3. Designed for use in CCMT-series screw-clamp toolholders accepting a 1/2-inch inscribed circle insert.
Installation is performed by a qualified machinist or CNC tooling technician. Power down and lock out the machine spindle before seating or replacing the insert. Seat the insert firmly against the toolholder pocket locating surfaces before tightening the clamping screw to avoid micro-movement under cut. Inspect the cutting edge and chip breaker for damage before each use; do not use a chipped or fractured insert.
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