Sandvik Coromant 5782016 Threading Insert Un 9 Tpi Carbide

Product Description

The SANDVIK COROMANT 5782016 is a solid carbide internal threading insert from the CoroThread 266 series, designed for cutting UN-standard internal threads at 9 threads per inch (TPI). It carries a 60-degree included angle and features a right-hand cutting orientation with an A-style chipbreaker. The manufacturer grade is 1125, applied via a PVD coating process for wear resistance in demanding threading operations. At 0.1563 inches thick and insert size 16, this insert fits standard CoroThread 266 toolholders and is suited for precision internal thread milling and single-point threading in CNC machining environments. It is installed and used by machinists and tool-and-die professionals working on production or repair threading operations.

This insert is intended for internal threading applications on UN-standard thread forms. The CoroThread 266 platform is used in CNC turning centers and machining centers for controlled, repeatable internal thread cutting. The A chipbreaker geometry supports chip evacuation in through-bore and blind-bore threading operations. This insert is appropriate for production environments where thread accuracy and tool life consistency are critical requirements.

Key Features

• Solid carbide construction with PVD coating for extended wear life
• Right-hand internal threading for UN thread standard at 9 TPI
• 60-degree included angle suits standard UN thread form geometry
• A-style chipbreaker promotes reliable chip evacuation in bore threading
• Insert size 16 compatible with CoroThread 266 series toolholders
• Thickness of 0.1563 inches (3.97 mm) for precise seating in holder pockets

Compatibility

Designed as an OEM-style replacement and standard component for SANDVIK COROMANT CoroThread 266 series internal threading toolholders accepting size 16 inserts with UN thread form geometry.

Installation Notes

Installation should be performed by a qualified machinist following the toolholder manufacturer torque and clamping specifications. Power down and lock out the machine spindle before changing inserts. Use proper insert handling tools to avoid contact with the cutting edge. Verify thread pitch and insert orientation match the workpiece thread specification before starting the cut.