Description

The SECO 03060304 is a solid carbide corner radius end mill designed for high-performance milling in demanding materials including stainless steel and high-temperature superalloys. Part of the SECO JS720 series, it features a 12 mm cutting diameter, a 1 mm corner radius, and six flutes arranged in a right-hand spiral with a high helix angle of 38 degrees. The HXT coating provides thermal and wear resistance suited to the elevated cutting stresses found in M- and S-group workpiece materials. With a 30 mm length of cut and 83 mm overall length, this is a short-reach, single-end, centercutting tool intended for professional machinists and toolroom technicians.

This end mill is configured for roughing operations on stainless steel and superalloys in CNC machining centers. The straight-cylindrical shank at 12 mm diameter mounts directly into standard ER or hydraulic collet toolholders. Its short length-type classification keeps deflection low during aggressive material removal passes. The centercutting geometry allows plunge entry, expanding its utility in slotting and pocket-milling operations common in aerospace, medical, and process-industry component work.

Key Features

Solid carbide submicron-grade construction for rigidity and edge retention in tough alloys
HXT coating optimized for stainless steel and high-temperature alloy applications
Six-flute, right-hand spiral geometry with 38-degree high helix for efficient chip evacuation
1 mm corner radius reduces stress concentration and extends tool life at cutting edges
Centercutting design permits direct plunge entry without pilot drilling
Short flute length type minimizes deflection during roughing passes

Compatibility

Designed as an OEM-style replacement or direct-fit tool for CNC machining centers accepting a 12 mm straight-cylindrical shank. Optimized for milling stainless steel (ISO material group M) and high-temperature superalloys (ISO material group S).

Installation Notes

Installation should be performed by a qualified machinist or CNC toolroom technician. Secure the shank in a clean, properly sized collet or toolholder to the full recommended gauge-length engagement before spindle startup. Confirm runout with a dial indicator before initiating cuts, as excessive runout accelerates edge wear on multi-flute carbide tools. Always follow the machine tool manufacturer guidelines and applicable shop safety procedures when changing or setting cutting tools.