Hertel H08706798 Threading Insert 14 Tpi 3/8 in Ic

Product Description

The HERTEL H08706798 is a laydown threading insert designed for right-hand internal UN thread cutting at 14 threads per inch (TPI). Built from solid carbide and finished with a TiC/TiN coating, this insert delivers the hardness and wear resistance needed for consistent thread form in production and job-shop environments. The 16IR insert style features a 3/8 inch inscribed circle (0.3750 inches) and a 0.146 inch thickness, with a neutral relief angle suited for laydown-style toolholders. Machinists and CNC operators rely on this insert for threading operations on lathes and turning centers where tight thread tolerances and tool life are critical.

This insert is intended for internal UN thread applications at 14 TPI in right-hand orientation. It fits laydown threading toolholders accepting the 16IR insert style. Typical applications include threading bores in ferrous and non-ferrous components across general machining, automotive, and industrial manufacturing. The TiC/TiN multilayer coating improves surface hardness and reduces friction during the threading pass, extending tool life in moderate-to-high production runs.

Key Features

• Solid carbide substrate for rigidity and wear resistance in threading operations
• TiC/TiN multilayer coating for improved hardness and reduced cutting friction
• Right-hand internal UN thread form at 14 TPI
• 16IR insert style with 3/8 inch inscribed circle (0.3750 inches) for laydown toolholders
• Neutral relief angle (0 degrees) suited for laydown-style insert seating
• 0.146 inch insert thickness for stable clamping in compatible toolholders

Compatibility

Designed for use in laydown threading toolholders accepting the 16IR insert style, for right-hand internal UN thread cutting at 14 TPI. Confirm toolholder pocket geometry and insert style designation before installation.

Installation Notes

Installation should be performed by a qualified machinist following machine tool manufacturer guidelines. Power down and lock out the lathe or turning center before changing inserts. Use the appropriate torx or hex key to seat the insert securely in the toolholder pocket without overtightening the clamping screw. Verify thread form and pitch with a thread gauge after the first pass before committing to a full production run.