That process resulted in changes to corner geometries, a 50° helix angle, improved cutting edges and a more advanced AlTiNX coating to protect those cutting edges from heat generated in the cutting zone, even under extreme cutting conditions. Details can be seen in IMCO’s new Omega M7 Series catalog, now available in print and online at imcousa.com. Six flutes provide more cutting edge engagement per rotation for more inches per minutes in hardened steels, and extra strength for remarkably longer tool life. Running dry requires use of modern high-speed, high-efficiency machining techniques and continuous toolpaths. Tested in IMCO’s machining lab in A2 steel at HRC 60 using 1/4” dia. end mill at 0.25” axial DOC and 0.015” radial DOC, the Omega M726 end mill lasted more than 3 times longer than comparable competitors’ tools and even the original M706. In addition, the M726 end mill provides reliably superior finishes in a wide range of non-hardened materials.
The new Omega M7 line is available in sizes from 1/8” to 3/4” and in a variety of lengths with neck relief and corner radii as standard options. Sizes 1/8” to 3/16” have five flutes for maximum chip evacuation and are designated the M725 series. All other geometries on M725 end mills are the same as those on M726 end mills.
- 50° helix angle
- improved cutting edges
- more advanced AlTiNX coating