Kennametal 1796087 NT4R KC5010 Threading Insert

Product Description

The KENNAMETAL 1796087 is a carbide threading insert designed for precision thread-cutting operations on both internal and external workpieces. Manufactured in the NT4R style and coated with TiAlN via a PVD process, this insert is engineered for the KC5010 grade - a carbide grade rated C3/C4 - offering strong wear resistance and thermal stability. It cuts a partial profile 60-degree thread form and is sized at insert size 4, with a tip-to-top height of 0.1280 inches (3.25 mm) and a corner radius of 0.0067 inches (0.17 mm). Licensed machinists and CNC threading specialists install this insert into Top Notch series toolholders.

This insert handles both internal and external threading applications. For external threading, it covers a pitch range of 1.25 to 6.25 mm and 4 to 20 TPI. For internal threading, the pitch range is 2.00 to 6.25 mm and 4 to 12 TPI. Right-hand orientation makes it suitable for standard right-hand thread production in turning centers and thread-dedicated CNC lathes across metalworking shops handling a wide range of thread standards at the 60-degree included angle.

Key Features

• Carbide substrate with KC5010 manufacturer grade, rated C3/C4 material grade for demanding threading applications
• TiAlN finish applied via PVD coating process for improved wear resistance and elevated-temperature performance
• Partial profile 60-degree thread form for both internal and external thread cutting
• Right-hand insert orientation for standard thread direction
• External pitch range: 1.25 to 6.25 mm / 4 to 20 TPI
• Internal pitch range: 2.00 to 6.25 mm / 4 to 12 TPI
• Part of the Top Notch series for secure, repeatable insert indexing

Compatibility

Designed for use with Top Notch series threading toolholders accepting NT4R style inserts. Consult KENNAMETAL Top Notch toolholder documentation to confirm holder compatibility before installation.

Installation Notes

Threading inserts must be installed by qualified machinists following safe machine-lockout procedures before any insert change. Ensure the toolholder pocket is clean and free of chips before seating the insert. Use the appropriate torx or clamping screw specified by the toolholder manufacturer - do not overtighten. Verify insert orientation and pitch match job requirements before resuming cutting operations.