Hertel H59873497 Boring Insert Triangle Cermet 5/32 Ic

Product Description

The HERTEL H59873497 is a cermet uncoated boring insert designed for precision internal turning and boring operations on CNC and manual lathes. Manufactured in a 60-degree triangle (TDHB) style with a 15-degree relief angle, this insert delivers clean, consistent cutting geometry on ferrous and non-ferrous workpieces. The cermet substrate at material grade C8 provides a balance of wear resistance and edge toughness suited for finishing and semi-finishing passes. Screw-type insert holding keeps the insert securely indexed in compatible boring bar toolholders. At 0.03 pounds, it is a lightweight precision cutting tool intended for machinists and toolroom professionals.

This insert is suited for internal diameter boring applications requiring tight tolerances and good surface finish. The TDHB style with a 1/64-inch corner radius is well matched to light to moderate depth-of-cut finishing passes in steel, stainless, and similar materials. It fits into TDHB-style boring bar holders that accept the 1.280.751 insert size code. Typical installation environments include production machine shops, toolrooms, and maintenance machining applications where cermet grade inserts are specified for their thermal and wear performance.

Key Features

• 60-degree triangle shape with TDHB insert style for internal boring applications
• Cermet uncoated substrate at material grade C8 for wear-resistant finishing cuts
• 1/64-inch (0.0150-inch) corner radius for controlled surface finish
• 5/32-inch (0.1600-inch) inscribed circle diameter defining insert size
• 15-degree relief angle reduces rubbing and extends edge life
• Screw-type holding method for secure, repeatable indexing

Compatibility

Designed to fit TDHB-style boring bar toolholders accepting insert size code 1.280.751 with screw-type insert clamping. Verify holder pocket geometry and insert size code before installation.

Installation Notes

Boring inserts are installed and indexed by qualified machinists or toolroom technicians. Power down and lock out the machine spindle before changing or indexing inserts. Use the appropriate torque wrench and insert screw to seat the insert fully in the pocket without overtightening. Inspect the insert pocket and seating surface for chips or wear before installing a new insert.