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The ACCUPRO 12177315 is a solid carbide corner radius end mill designed for precision milling in demanding machining environments. With a 0.5 mm cutting diameter and a 0.05 mm corner radius, this tool is built for fine-detail work in tight-tolerance applications. The two-flute, right-hand spiral geometry provides efficient chip evacuation and smooth cutting action. The bright uncoated finish suits a wide range of workpiece materials where coating interactions are a concern. A 4 mm shank diameter and 50 mm overall length make this tool compatible with standard collet and toolholder setups used in CNC milling operations.
This end mill is suited for small-feature milling, micro-slot cutting, and edge profiling in precision machining shops, tool and die environments, and CNC production cells. The extended reach configuration, with a 10 mm reach length and 0.5 mm length of cut, targets deep-cavity and hard-to-reach features in mold, die, and prototype work. The centercutting design allows for plunge entry as well as lateral cuts, giving machinists flexibility in toolpath programming. This is a single-end tool intended for use in professional CNC milling setups.
Designed as a direct-fit replacement for standard 4 mm shank collet and toolholder systems used in CNC vertical and horizontal milling machines requiring micro-diameter corner radius end mills.
Installation should be performed by a qualified machinist following the machine tool manufacturer guidelines for tool runout and collet torque. Confirm shank seating depth and collet grip before initiating any cutting cycle. At this diameter, tool runout has an outsized effect on tool life and surface finish, so verify runout with a dial indicator before production use. Always power down and lock out the spindle before changing tooling.
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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