Tungaloy 6856763 Ccmt Turning Insert Tialn Carbide

Product Description

The TUNGALOY 6856763 is a solid carbide turning insert in the CCMT-PS series, grade AH725, designed for single-point turning, facing, and boring operations on CNC and manual lathes. The insert features a PVD-applied TiAlN coating over a carbide substrate, providing thermal resistance and edge stability at elevated cutting speeds. Key dimensions include a 0.382-inch length, a 3/8-inch inscribed circle, and a 0.0078-inch corner radius. The 80-degree diamond shape and positive rake geometry suit a wide range of metal-removal applications. Installation is handled by licensed machinists and CNC operators using screw-type toolholders.

This insert is suited for turning, facing, and boring operations in both production and job-shop environments. Primary workpiece materials include steel, stainless steel, cast iron, non-ferrous metals, superalloys, titanium, and hard materials. The PS chip breaker geometry supports a maximum depth of cut of 0.0984 inches, making this insert effective for light to moderate roughing and finishing passes. Material grades P15, P30, M15, M30, K25, K30, S15, and S25 are supported, covering a broad range of ISO application categories.

Key Features

• AH725 grade carbide with PVD TiAlN coating for wear and thermal resistance
• 80-degree diamond insert shape (C) with positive rake angle of 10 degrees
• PS chip breaker geometry with honed cutting edge for controlled chip formation
• Neutral hand orientation with 2 usable cutting edges per insert
• Screw-type insert holding method for secure, repeatable seating
• Compliant with ANSI and ISO standards; ISO code CCMT32.50.5PS

Compatibility

Designed as an OEM-style replacement and standard fit for CCMT-series screw-clamp toolholders accepting a 3/8-inch inscribed circle, 5/32-inch thick diamond insert with a 0.173-inch hole diameter. Confirm toolholder pocket geometry matches CCMT insert style before ordering.

Installation Notes

Installation is performed by qualified machinists. Power down and lock out the machine spindle before changing inserts. Use the correct torque wrench and insert screw specified by the toolholder manufacturer to seat the insert; over-tightening the clamping screw can fracture the carbide. Inspect the pocket and screw threads for wear or debris before seating a new insert.