Iscar 5540029 Turning Insert Ccgt 2-.004-AS IC20 Carbide

Product Description

The ISCAR 5540029 is a solid carbide, uncoated turning insert designed for precision external and internal turning operations on CNC lathes and turning centers. Carrying the ISO designation CCGT 2-.004-AS, this insert features an 80-degree diamond shape (C-shape), a 0.004-inch corner radius, and a 1/4-inch (0.250-inch) inscribed circle diameter. The IC20 uncoated carbide grade is engineered for positive-rake cutting, making it well suited for finishing passes where sharp edge geometry and surface finish quality are the priority. Installation is performed by licensed machinists and CNC operators using standard screw-clamp toolholders.

This insert is intended for use across a universal range of workpiece materials, including ISO material groups H, K, M, N, and S, covering cast iron, non-ferrous alloys, stainless steel, general steel, and heat-resistant superalloys at appropriate cutting parameters. The AS chip breaker geometry is optimized for light finishing cuts with maximum depths of cut up to 0.079 inches (2.01 mm). It fits into CCGT-style screw-clamp toolholders and is commonly used in production turning environments where consistent, repeatable insert geometry is required.

Key Features

• ISO designation CCGT 2-.004-AS with 80-degree diamond insert shape for versatile turning applications
• IC20 uncoated solid carbide grade with positive rake angle for sharp, free-cutting performance on finishing passes
• 0.004-inch corner radius for tight tolerance finishing and reduced surface roughness
• AS chip breaker geometry supports light finishing depths of cut up to 0.079 inches (2.01 mm)
• Screw-clamp holding method provides secure, repeatable insert positioning in compatible toolholders
• Compliant with ISO 13399 tooling data standards for use with modern CAM and tooling management systems

Compatibility

Designed for use in CCGT-style screw-clamp turning toolholders compatible with the CCGT 2-.004-AS insert size code. Suitable for universal workpiece material groups H, K, M, N, and S per ISO classification. Part of the ISCAR Isoturn series.

Installation Notes

Installation is performed by qualified machinists or CNC operators. Power down and lock out the machine spindle before changing inserts. Use the appropriate torx or hex key to seat the clamping screw to the toolholder manufacturer's specified torque; do not overtighten. Inspect the insert pocket and seating surface for chips or debris before seating the new insert to ensure proper contact and alignment.