Kennametal 1712608 Threading Insert 24 Tpi Un Carbide

Product Description

The KENNAMETAL 1712608 is a solid carbide laydown threading insert designed for external UN thread cutting at 24 threads per inch (TPI). Manufactured to ISO code LT16ER24UNCB, this insert features an ER-style seat, a KC5025 grade carbide substrate, and a PVD-applied TiAlN coating for extended wear resistance at elevated cutting temperatures. The 3/8-inch (9.53 mm) inscribed circle and 0.1430-inch (3.44 mm) thickness conform to standard LT16 insert geometry. It is a right-hand cut insert and carries a CB chipbreaker designation. Machinists and CNC turning professionals install these inserts in compatible laydown threading toolholders for precision thread-form generation.

This insert is suited for external threading operations on a range of workpiece materials including steel, stainless steel, cast iron, superalloys, and titanium. The TiAlN PVD coating performs well in dry and semi-dry cutting environments where heat resistance and coating adhesion are critical. Typical applications include threading on turned components in precision machining, job shop, and production environments where consistent 24 TPI UN thread profiles are required. The CB chipbreaker geometry assists in chip control during threading passes.

Key Features

• Solid carbide substrate with KC5025 manufacturer grade for high wear resistance
• PVD TiAlN coating for heat resistance and extended tool life on steel and stainless steel
• Right-hand external UN thread form at 24 TPI
• ER insert style in standard LT16 size for broad toolholder compatibility
• CB chipbreaker designation for improved chip control
• Rated for use on steel, stainless steel, cast iron, superalloys, and titanium

Compatibility

Designed as an OEM-style replacement or direct-use insert for LT16 ER-style laydown threading toolholders accepting standard 3/8-inch inscribed circle carbide inserts.

Installation Notes

Installation is performed by qualified machinists or CNC tooling setup technicians. Power down and lock out the machine spindle before seating or removing any insert. Use the correct torx or clamp-style fastener specified by the toolholder manufacturer to secure the insert - do not overtighten by feel alone; follow the toolholder manufacturer torque specification. Inspect the insert seat and clamp for wear or debris before installation to ensure proper seating and thread-form accuracy.