Sandvik Coromant 5742011 Threading Insert Npt 14 Tpi

Product Description

The SANDVIK COROMANT 5742011 is a solid carbide laydown threading insert designed for cutting right-hand internal NPT threads. Carrying manufacturer part number R166.0L-11NT01F140 1020 and belonging to the T-Max U-Lock series, this insert features a 60-degree included angle, 14 threads per inch, and a PVD-applied TiN coating for extended tool life. The 1/4-inch inscribed circle and 0.125-inch thickness fit standard laydown insert pockets. It is intended for use by machinists and toolroom technicians performing precision internal threading operations on pipe-thread applications.

This insert is suited for internal NPT threading in ferrous and non-ferrous workpieces across industrial machining environments, including production shops and maintenance machining. The F chipbreaker geometry supports controlled chip formation during threading passes. The right-hand orientation and NPT thread standard make it a direct fit for cutting 1/8-inch to standard pipe thread profiles at 14 TPI in CNC and manual lathe applications.

Key Features

• Solid carbide substrate with PVD TiN coating for wear resistance
• Right-hand internal NPT thread form at 14 threads per inch
• 60-degree included angle for standard NPT profile cutting
• F chipbreaker for controlled chip evacuation during threading
• T-Max U-Lock series insert style 166 for secure pocket seating
• 1/4-inch (6.35 mm) inscribed circle with 0.094-inch hole diameter

Compatibility

Designed as an OEM-style replacement insert for T-Max U-Lock series threading toolholders accepting style 166 laydown inserts with an 11-size insert code.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Ensure the machine spindle is fully stopped and locked out before seating or replacing the insert. Use the appropriate torx or hex key to secure the insert clamp to the manufacturer-specified procedure without overtightening. Verify insert orientation and thread hand before commencing the threading cycle.