Hertel H08695165 Threading Insert 20 Tpi 3/8 Inch Ic

Product Description

The HERTEL H08695165 is a laydown-style threading insert designed for cutting external UN threads on a lathe or CNC turning center. Built from solid carbide with a TiC/TiN coating, it delivers consistent thread form and extended tool life across a range of ferrous and non-ferrous materials. The insert produces right-hand threads at 20 threads per inch (TPI) and seats in standard 16ER-style toolholders. Solid carbide construction gives the insert the rigidity needed for precise thread geometry, while the TiC/TiN finish improves wear resistance and reduces built-up edge at the cutting zone. Installation is straightforward for machinists and toolroom technicians familiar with indexable insert systems.

This insert is suited for threading operations in general machining environments including job shops, production lines, and maintenance shops. It is intended for external UN-thread applications on turned parts such as bolts, fittings, shafts, and threaded connectors. The 20 TPI pitch is common in standard Unified National thread profiles across a wide range of fastener and component sizes. The right-hand cut orientation is the standard for the majority of threading applications in these settings.

Key Features

• Solid carbide substrate for rigidity and dimensional stability during threading
• TiC/TiN coating reduces wear and helps prevent built-up edge on the cutting face
• 20 TPI pitch for standard UN external thread profiles
• Right-hand cutting orientation, compatible with standard lathe and CNC spindle direction
• 3/8 inch inscribed circle and 16ER insert style for use in common indexable threading toolholders
• 0.146 inch insert thickness for proper seating and clamping in matched toolholder pockets

Compatibility

Designed as an OEM-style replacement or direct-fit insert for 16ER-style indexable threading toolholders used in external UN thread turning applications.

Installation Notes

Threading inserts of this type are installed and indexed by qualified machinists or toolroom technicians. Power down and lock out the spindle before seating or replacing the insert. Use the correct torque wrench and clamping screw specified by the toolholder manufacturer to avoid cracking the carbide. Confirm insert orientation and thread pitch match the required part specification before engaging the threading cycle.