Sandvik Coromant 5743887 Milling Insert R245 Solid Carbide

Product Description

The SANDVIK COROMANT 5743887 is a single-sided, square-shaped solid carbide milling insert designed for indexable face milling operations. It carries a TiAlN PVD coating in the 1010 manufacturer grade and fits the R245 cutter series. The insert features a positive rake angle of 15 degrees, a corner radius of 0.0591 inches (1.50 mm), and four cutting edges, making it a cost-effective choice for high-productivity milling runs. The PL chip breaker geometry supports controlled chip evacuation during interrupted and continuous cuts. Licensed HVAC, machining, and tooling professionals specify this insert for precision metal removal on hard and cast iron workpieces.

This insert is suited for use in CNC machining centers and milling machines where the R245 cutter body is mounted. Its primary application is in milling cast iron and hard materials in both production shop and job-shop environments. The right-hand configuration and 90-degree included angle make it appropriate for shoulder milling and face milling passes requiring consistent depth of cut up to 0.2559 inches (6.50 mm). Machinists working with hard ferrous alloys and gray or ductile cast iron will find the K and H material grade designations directly applicable to their workpiece selection process.

Key Features

• Solid carbide substrate with TiAlN PVD coating in manufacturer grade 1010 for wear resistance on hard materials
• Four cutting edges on a single-sided square insert maximize tool economy per insert
• Positive rake angle of 15 degrees reduces cutting forces and heat generation
• Corner radius of 0.0591 inches (1.50 mm) provides edge strength and surface finish improvement
• Maximum depth of cut of 0.2559 inches (6.50 mm) supports aggressive material removal rates
• PL chip breaker geometry designed for cast iron and hard material chip control
• Screw-held mounting method ensures secure insert clamping in R245 toolholders

Compatibility

Designed for use with the SANDVIK COROMANT R245 cutter series. ANSI and ISO catalog designation R245-12 T3 E-PL 1010. Insert size code 12T3. Confirm cutter body pocket dimensions match the inscribed circle and thickness specifications before installation.

Installation Notes

Insert replacement is performed by a qualified machinist or tooling technician. Always power down and lock out the machine spindle before indexing or replacing inserts. Use the appropriate Torx or hex key as specified by the cutter body manufacturer for the clamping screw — do not over-torque the retention screw. Inspect the insert pocket seat and clamping screw for wear or debris before seating the new insert.