Vargus 52419 Threading Insert 12 Tpi 3/8 in Ic Un Carbide

Product Description

The VARGUS 52419 is a laydown threading insert designed for right-hand internal UN thread cutting at 12 threads per inch (TPI). Built from solid carbide in the VM7 grade, it features a multi-layer PVD coating that extends tool life across a wide range of workpiece materials. The insert carries a 3/8-inch inscribed circle (IC), a 0.048-inch thickness, and a 60-degree included angle, conforming to the 3IR insert style. Machinists and toolroom professionals install this insert in compatible laydown threading toolholders for internal threading operations on CNC lathes and turning centers.

This insert is suited for internal UN thread production in general machining environments where material versatility is required. The VM7 grade with multi-layer PVD finish handles a broad spectrum of workpiece materials including steel, stainless, cast iron, nonferrous alloys, and high-temperature alloys, reflected in the H, K, M, N, P, and S material codes. It is a standard-series insert appropriate for production threading in both job shop and manufacturing settings.

Key Features

• Solid carbide VM7 grade for consistent performance across multiple material groups
• Multi-layer PVD coating extends cutting edge life and reduces built-up edge
• Right-hand internal UN thread form at 12 TPI with 60-degree included angle
• 3IR insert style with 3/8-inch inscribed circle for positive laydown seating
• Meets ANSI B1.1:74 thread standard; manufactured under ISO 9001:2008 quality system
• Three teeth per side for efficient thread form engagement

Compatibility

Designed as a standard 3IR-style laydown threading insert for use in compatible right-hand internal threading toolholders. Verify toolholder seat geometry and insert style acceptance before installation.

Installation Notes

Installation is performed by qualified machinists or toolroom technicians. Ensure the machine spindle is fully stopped and the toolholder is secured before seating or replacing the insert. Use the correct torque driver for the clamping screw to avoid seat damage - consult the toolholder manufacturer specification for clamping torque. Inspect the insert pocket for chips or debris before seating the new insert to maintain proper seating and thread accuracy.