ISO Code Structural Breakdown
S: Square geometry providing four usable cutting edges.
P: Positive flank profile with an 11-degree clearance angle.
M: Precision milling and drilling tolerance class regulating insert accuracy and seat interchangeability.
T: Single-sided design featuring a countersunk screw hole and chipbreaker pattern.
13: Inscribed circle / nominal cutting edge length code of 13.4 mm.
04: Standard structural insert thickness of 4.76 mm.
PC3700: Korloy’s premium PVD multi-layer coated grade optimized for high-speed, deep-cut, and high-feed machining of alloy steels, carbon steels, and structural steel components.