Kennametal 1157496 Milling Insert SDEB080204 KC725M Carbide

Product Description

The KENNAMETAL 1157496 is a solid carbide milling insert carrying ISO designation SDEB080204 and manufacturer grade KC725M. It features a square insert shape with a 90-degree included angle, a neutral hand orientation, and a PVD-applied multilayer TiN/TiCN/TiN coating for wear resistance and edge integrity in demanding milling operations. The insert measures 0.0937 inches thick with an inscribed circle of 0.3272 inches and a corner radius of 0.0157 inches (0.40 mm). Screw-mounted and classified to material grades C5, C6, and C7, this insert is installed by machinists and tooling technicians in CNC milling applications where tight tolerance and consistent tool life are required.

This insert is designed for milling steel, stainless steel, superalloys, and titanium, corresponding to ISO workpiece material codes P, M, and S. It fits within the SDEB series toolholding system and is well-suited to finishing and semi-finishing passes on ferrous and high-temperature alloy workpieces. The 15-degree relief angle supports clean shearing action and reduces cutting forces across these material families. Typical applications include face milling, shoulder milling, and contour milling on machining centers in both job shop and production environments.

Key Features

• Solid carbide substrate with PVD-applied TiN/TiCN/TiN multilayer coating for extended tool life
• Square insert shape with 90-degree included angle and neutral hand for versatile milling orientations
• 0.0157-inch (0.40 mm) corner radius reduces stress concentration at the cutting edge
• 15-degree relief angle promotes low cutting forces on steel, stainless steel, superalloys, and titanium
• Screw-mounted holding method provides secure clamping and repeatable insert indexing
• KC725M grade rated to material grades C5, C6, and C7 for broad application coverage

Compatibility

Designed for use with SDEB series milling bodies that accept SDEB080204 insert geometry. Compatible with workpiece materials including steel, stainless steel, superalloys, and titanium (ISO codes P, M, S). Verify toolholder insert seat geometry and screw size before installation.

Installation Notes

Installation is performed by a qualified machinist or tooling technician. Power down and lock out the machine spindle before indexing or replacing inserts. Use the manufacturer-specified torx or hex key to seat the clamping screw; do not exceed the toolholder manufacturer's recommended fastening procedure. Inspect the insert pocket seat for debris or damage before seating the new insert to ensure proper contact and runout performance.