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The OSG 412-0625 is a solid carbide square end mill designed for precision milling in metalworking and machining applications. Built from micrograin carbide, it delivers the hardness and edge retention needed for demanding cuts in ferrous and non-ferrous materials. The 0.0625-inch cutting diameter is suited for fine detail work, slots, and profiling where tight tolerances are required. With a 30-degree helix angle and spiral flute geometry, the tool promotes efficient chip evacuation and smooth cutting action. The uncoated finish makes it appropriate for applications where coating compatibility is a consideration or where re-sharpening is anticipated.
This end mill is used in CNC machining centers and manual mills for small-feature milling tasks including slot cutting, contouring, and pocket milling. The stub-length configuration provides added rigidity at small diameters, reducing deflection during cuts. It is suited for precision machine shops, tool rooms, and production environments where fine detail work on small components is common. Machinists and CNC operators working with aluminum, brass, plastics, and similar materials will find this geometry appropriate for their applications.
Designed as an OEM-style replacement or direct-fit tooling option for standard 1/8-inch shank collets and tool holders used in CNC machining centers and manual milling machines.
Installation should be performed by a qualified machinist or CNC operator. Ensure the spindle is fully powered down and at a complete stop before inserting or removing the end mill from the collet or tool holder. Confirm the shank is fully seated and the collet nut is torqued to the tool holder manufacturer's specification. Inspect the cutting edges for chipping or wear before each use, particularly at this diameter where edge integrity is critical to dimensional accuracy.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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