Hertel H59874933 Boring Insert TD6P01 HC620B Solid Carbide

Product Description

The HERTEL H59874933 is a solid carbide boring insert designed for precision internal turning and boring operations on CNC and manual lathes. Built to insert style TD6P in size code 01, this triangular insert features a 60-degree included angle and an 11-degree relief angle for clean, consistent material removal. The CVD-applied multilayer coating sequence of TiN, TiC, TiCN, and TiN provides wear resistance and thermal stability across a range of ferrous and non-ferrous materials. The insert carries a manufacturer grade of HC620B and a material grade of C7, making it appropriate for general-purpose turning of cast iron, steel, and similar workpiece materials. Licensed machinists and CNC operators install this insert in standard boring bar toolholders.

This insert fits screw-lock toolholders designed for TD6P-style triangular inserts. The 3/8-inch inscribed circle and 1/8-inch nominal thickness suit light-to-medium boring passes in tight-bore applications common in production machining environments. The 0.1300-inch hole diameter accommodates the clamping screw used in compatible screw-on boring bar systems. It is suited for job shops, production floors, and maintenance machining operations where repeatable bore geometry is required.

Key Features

• Solid carbide substrate with CVD multilayer coating: TiN, TiC, TiCN, TiN for extended tool life
• 60-degree triangular shape with 11-degree relief angle for positive cutting action
• 0.002-inch corner radius for controlled surface finish in finish boring passes
• 3/8-inch inscribed circle and 0.1300-inch screw hole for secure screw-lock mounting
• HC620B manufacturer grade, C7 material grade for general-purpose ferrous machining
• Nominal thickness of 1/8 inch for compatibility with standard TD6P boring bar pockets

Compatibility

Designed as an OEM-style replacement insert for screw-lock boring bars accepting TD6P-style triangular inserts with a 3/8-inch inscribed circle.

Installation Notes

This insert is installed by licensed machinists using the appropriate torque wrench and clamping screw for the toolholder system. Always power down and lock out the machine spindle before indexing or replacing inserts. Inspect the toolholder pocket and seating surface for chips or wear before seating the insert. Do not exceed the toolholder manufacturer recommended depth-of-cut or feed rate for this insert geometry.