Iscar 5902366 Threading Insert 24 Tpi Left Hand Un IC908

Product Description

The ISCAR 5902366 is a solid carbide laydown threading insert designed for external UN thread cutting at 24 threads per inch. Manufactured to the 16EL insert style with a 3/8 inch (0.375 inch decimal) inscribed circle and 0.143 inch thickness, this insert carries the IC908 grade designation and a PVD-applied TiAlN coating for elevated wear resistance and thermal stability. It is configured for left-hand external threading operations on a broad range of workpiece materials, spanning ferrous, non-ferrous, heat-resistant alloys, and hardened steels. This insert suits CNC turning centers and threading lathes operated by machinists and tooling specialists in production and job-shop environments.

The 5902366 is intended for external UN thread profiles at 24 TPI on left-hand applications. Its universal material compatibility rating covers workpiece material codes H, K, M, N, P, and S, making it appropriate for a wide variety of production threading tasks. The IC908 grade is engineered for demanding interrupted and continuous threading cuts where coating integrity and edge toughness are critical. This insert is part of the ISCARTHREAD series and conforms to ISO 13399 tooling data standards, facilitating integration with CAM and tool management systems.

Key Features

• Solid carbide construction with PVD-applied TiAlN coating for wear resistance
• IC908 manufacturer grade suited for demanding threading applications
• Left-hand external UN thread profile at 24 TPI
• 3/8 inch inscribed circle with 0.005 inch corner radius for accurate thread form
• Universal workpiece material compatibility across H, K, M, N, P, and S material codes
• Conforms to ISO 13399 for seamless CAM and tool management integration

Compatibility

Designed as an OEM-style replacement threading insert for 16EL-style toolholders accepting a 3/8 inch inscribed circle laydown insert within the ISCARTHREAD series.

Installation Notes

Installation is performed by qualified machinists or tooling technicians on CNC or manual turning equipment. Ensure the machine spindle is fully stopped and locked out before seating or replacing the insert. Verify the toolholder pocket and clamping mechanism are clean and free of chips before installing the new insert. Follow the toolholder manufacturer torque guidance for the clamping screw to avoid insert cracking or improper seating.