Hertel H59873380 Boring Insert 5/32 Inch Ic Solid Carbide

Product Description

The HERTEL H59873380 is a solid carbide boring insert designed for precision internal boring operations on CNC and manual turning equipment. Featuring a 60-degree triangle (TDHB) geometry with a 5/32-inch inscribed circle and a 0.007-inch corner radius, this insert delivers tight tolerances in finish and semi-finish boring applications. The CVD-applied multilayer coating sequence of TiN, TiC, TiCN, and TiN provides wear resistance and thermal stability across a range of workpiece materials. A 15-degree relief angle reduces cutting edge friction and supports clean chip evacuation. This insert is sized for screw-lock insert holders and is suited for machinists and tooling specialists working in metal-cutting environments.

This insert is intended for use in boring heads and boring bars configured for TDHB-style triangle inserts. Typical applications include internal diameter finishing and semi-finishing of ferrous and non-ferrous metals in production machining environments. The HC620B grade and C7 material classification make it well suited for continuous and light interrupted cuts at moderate to high cutting speeds. At 3/64 inches thick, this is a compact insert appropriate for small-bore tooling setups where clearance is limited.

Key Features

• Solid carbide substrate with CVD multilayer coating: TiN, TiC, TiCN, TiN for extended tool life
• 60-degree triangle insert geometry (TDHB style) with screw-lock holding method
• 0.007-inch corner radius for finish-quality surface results
• 15-degree relief angle reduces flank friction and supports chip clearance
• 5/32-inch inscribed circle for small-bore tooling compatibility
• Manufacturer grade HC620B, material grade C7, suitable for moderate to high-speed cutting

Compatibility

Designed for boring bars and boring heads that accept TDHB-style screw-lock triangle inserts with a 5/32-inch inscribed circle and 60-degree included angle geometry.

Installation Notes

Installation should be performed by a qualified machinist or tooling technician. Ensure the machine spindle is fully stopped and the boring bar is secured in the tool holder before seating or removing the insert. Use the appropriate torx or hex key to engage the screw-lock mechanism to the tool manufacturer's recommended procedure. Inspect the insert pocket for wear or damage before each insert change to maintain dimensional accuracy.