Sandvik Coromant 5751080 SPMT432-WL 235 Milling Insert

Product Description

The SANDVIK COROMANT 5751080 is a solid carbide milling insert carrying grade designation 235, offered in the SPMT series with ANSI code SPMT432-WL 235 and ISO code SPMT 12 04 08-WL 235. The insert features a square shape with a neutral hand orientation, a positive rake geometry, and an 11-degree relief angle. A dual-layer CVD coating of TiCN and TiN provides wear resistance and thermal stability at the cutting edge. With four cutting edges and a corner radius of 0.80 mm (0.0315 inches), the insert is designed for productive milling of steel and stainless steel in applications where consistent edge life and predictable chip control matter. It is held in the cutter body by a screw clamp.

This insert is intended for use in face milling and shoulder milling operations targeting steel (ISO P) and stainless steel (ISO M) workpiece materials. Compatible cutter series include R215.64 and RA215.64. The WL chip breaker geometry supports controlled chip formation across a range of depths and feed rates. Typical users are machinists and CNC operators in job shops, production floors, and maintenance facilities. The insert suits both roughing and semi-finishing passes where a square SPMT-style geometry with a rounded cutting edge is specified.

Key Features

• Solid carbide substrate with CVD-applied TiCN and TiN dual-layer coating for extended wear life
• Square SPMT insert shape with four usable cutting edges for lower cost per edge
• Positive rake and 11-degree relief angle reduce cutting forces on steel and stainless steel
• Corner radius of 0.80 mm (0.0315 inches) with rounded cutting edge style minimizes edge chipping
• Maximum depth of cut of 0.4685 inches supports moderate material removal rates
• WL chip breaker optimizes chip evacuation during milling operations
• Screw holding method provides rigid, repeatable seating in compatible toolholders

Compatibility

Designed for use with Sandvik Coromant cutter series R215.64 and RA215.64. Follows ANSI and ISO insert standards for SPMT-style square inserts (ANSI: SPMT432-WL 235; ISO: SPMT 12 04 08-WL 235). Verify toolholder pocket specifications before installation.

Installation Notes

Installation is performed by qualified machinists or CNC tooling technicians. Ensure the machine spindle is fully stopped and locked out before changing inserts. Seat the insert fully into the pocket and tighten the clamping screw to the toolholder manufacturer's specified torque using the correct Torx or hex key. Inspect the pocket seat and locating surfaces for chips or debris before installing a new insert to prevent improper seating.