Sandvik Coromant 5756231 Indexable Drill Insert WCMX53

Product Description

The SANDVIK COROMANT 5756231 is a solid carbide indexable drill insert designed for use in indexable insert drills in metalworking and machining operations. Manufactured to the WCMX insert style with a Trigon (7-degree included angle) shape, this insert features a CVD-applied TiCN/TiN dual-layer coating for improved wear resistance and tool life. It carries a 0.5 inch inscribed circle, a thickness of 0.1875 inches, and a corner radius of 1.20 mm (0.0472 inches). The chipbreaker designation is 53, and the manufacturer grade is 235. Installation and replacement are performed by qualified machinists and tooling technicians in production and job-shop environments.

This insert is suited for right-hand cutting applications in indexable drill bodies that accept WCMX-style inserts at the insert size 8 specification. Typical applications include through-hole and blind-hole drilling in steel, stainless steel, and similar ferrous materials where a CVD-coated carbide grade provides suitable cutting performance. The 53 chipbreaker geometry supports chip control during drilling operations at moderate to aggressive feed rates.

Key Features

• Solid carbide substrate with CVD-applied TiCN/TiN coating for extended wear resistance
• WCMX insert style, Trigon shape with 7-degree relief angle and 7-degree included angle
• 0.5 inch inscribed circle and 0.1875 inch thickness for insert size 8 compatibility
• 1.20 mm corner radius for controlled edge engagement
• 53 chipbreaker designation for active chip management during drilling
• Right-hand cutting direction

Compatibility

Designed as an OEM-style replacement insert for indexable drill bodies accepting WCMX insert style, insert size 8, with a 4.30 mm mounting hole diameter.

Installation Notes

Insert replacement should be performed by a qualified machinist or tooling technician with the drill body fully removed from the spindle and the machine powered down and locked out. Use the appropriate torx or hex key as specified by the drill body manufacturer to seat the insert clamp screw to the correct holding force — do not over-torque. Inspect the insert pocket for wear or damage before seating a new insert. Always verify cutting direction and insert orientation before resuming operation.