Hertel H05768338 Threading Insert 10 Tpi Stub Acme Solid Carbide

Product Description

The HERTEL H05768338 is a laydown threading insert designed for cutting right-hand internal Stub Acme threads. Built from solid carbide with a TiC/TiN multi-layer coating, this insert delivers wear resistance and thermal stability in demanding threading operations. It carries an insert style designation of 16IR and the manufacturer grade HG630TR, indicating a coated carbide grade suited for ferrous materials. With a thread pitch of 10 TPI and a 3/8-inch inscribed circle, this insert is sized for mid-range boring bars and threading toolholders. Machinists and CNC operators in production and job-shop environments install this insert as a replaceable cutting edge on internal threading tools.

This insert is applied in internal threading operations where Stub Acme thread forms are required, such as lead screws, power transmission components, and mechanical actuator assemblies. The right-hand cutting geometry and zero-degree relief angle are matched to specific toolholder seat configurations for laydown-style inserts. It is sold individually per package, with a minimum order quantity of 10 pieces, making it practical for shops maintaining consistent tooling inventory. Suitable for use on CNC lathes and manual turning centers performing internal thread-chasing cycles.

Key Features

• Solid carbide substrate with TiC/TiN coating for extended tool life in ferrous threading
• Stub Acme internal thread form at 10 TPI for power transmission and lead screw applications
• Right-hand cutting geometry in laydown insert style 16IR
• 3/8-inch inscribed circle fits standard mid-range boring bar and threading toolholders
• Zero-degree relief angle matched to seat geometry of compatible laydown toolholders
• Manufacturer grade HG630TR optimized for coated carbide threading performance

Compatibility

Designed as a replacement-style laydown threading insert for internal toolholders accepting 16IR-style inserts with a 3/8-inch inscribed circle and laydown seating geometry.

Installation Notes

Installation is performed by qualified machinists or CNC tooling technicians. Ensure the machine spindle is fully stopped and the turret or toolpost is locked before indexing or replacing inserts. Use the appropriate torx or clamp screw driver specified by the toolholder manufacturer to secure the insert at the correct clamping torque per that holder's documentation. Inspect the toolholder seat for chips or debris before seating the insert to prevent insert rocking or premature edge failure.