Accupro 95170305 Corner Radius End Mill 3/8 in 4 Flute

Product Description

The ACCUPRO 95170305 is a solid carbide corner radius end mill designed for precision milling in demanding machining environments. It features a 3/8-inch diameter, a 0.0300-inch corner radius, and four flutes with a right-hand spiral and right-hand cutting direction. The tool is coated with AlCrTiN via a PVD process, providing strong resistance to heat and wear during high-speed cutting operations. With a length of cut of 7/8 inches and an overall length of 2.5 inches, it fits a wide range of vertical and horizontal milling setups. The long-length classification and centercutting capability allow it to be used for slotting, profiling, and plunging. It is installed and used by machinists and CNC operators in job shops, tool rooms, and production machining environments.

This end mill is suited for milling ferrous and non-ferrous metals where a radiused corner is required to reduce stress concentrations in part geometry. The Series VS designation indicates a variable index and variable helix design, which helps reduce harmonic chatter during aggressive cuts. The straight-cylindrical shank with 3/8-inch diameter fits standard collet chucks and end mill holders commonly found in CNC machining centers and manual knee mills. It is appropriate for finishing and semi-finishing passes where corner geometry accuracy is critical.

Key Features

• AlCrTiN PVD coating for extended tool life in high-temperature cutting conditions
• Variable index and variable helix flute geometry reduces chatter and improves surface finish
• Centercutting design allows direct plunge entry without a pre-drilled pilot hole
• 0.0300-inch corner radius protects part edges and reduces stress risers in machined features
• Micrograin solid carbide construction delivers rigidity and wear resistance
• Right-hand flute direction and right-hand cutting for use in standard CNC spindle configurations

Compatibility

Designed as an OEM-style replacement and standard-production corner radius end mill suitable for use in CNC machining centers and manual mills equipped with 3/8-inch collet chucks or end mill holders.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Ensure the machine spindle is fully stopped and locked out before changing tooling. The straight-cylindrical shank requires a properly sized and torqued collet or end mill holder to maintain runout within acceptable limits. Verify that TIR does not exceed 0.0033 inches at setup, as excessive runout will accelerate tool wear and degrade surface finish.