Ingersoll Cutting Tools 6214601 Thread Mill Insert Carbide

Product Description

The INGERSOLL CUTTING TOOLS 6214601 is a carbide thread mill insert designed for producing NPT threads in milling operations. Featuring an LYER insert style with a 2.21 mm pitch and 11.5 teeth per inch, this insert is built for consistent thread form accuracy on external and internal profiles. The TiAlN coating applied via PVD process improves wear resistance and thermal stability during cutting. It carries manufacturer grade IN2005 and is suited for use by machinists and toolroom technicians working with CNC milling equipment.

This insert is rated for use on a broad range of workpiece materials, including steel, stainless steel, cast iron, super-alloys, and titanium, covering material codes P, M, K, and S. The LYER series design makes it applicable for both external and internal NPT thread milling in production and job-shop environments. Insert size code is 3211, and the ANSI and ISO designation is LYER32115NT I IN2005. It is sold in packages of one with a minimum order quantity of two.

Key Features

• Carbide substrate with TiAlN coating applied by PVD process for extended tool life
• 2.21 mm pitch at 11.5 teeth per inch for NPT thread milling
• Compatible with both external and internal thread milling applications
• Rated for steel, stainless steel, cast iron, super-alloys, and titanium workpiece materials
• LYER insert style, size code 3211, thickness 0.157 inches
• Non-conical geometry for standard thread mill insert seating

Compatibility

Designed for use in LYER series thread mill bodies accepting size code 3211 inserts. Suitable for NPT thread milling operations on P, M, K, and S material classifications as defined by ISO workpiece material groupings.

Installation Notes

Thread mill inserts should be installed by a qualified machinist or toolroom technician following the tool body manufacturer's clamping specifications. Power down and lock out the machine spindle before changing inserts. Inspect the insert pocket and clamping screw for wear or damage before seating a new insert. Follow the tool body manufacturer's recommended torque procedure for insert clamping screws.