Accupro 12183713 Corner Radius End Mill 3/8 in 4 Flute Altin

Product Description

The ACCUPRO 12183713 is a solid carbide corner radius end mill designed for precision milling operations in metalworking and machining applications. It features a 3/8 inch diameter with a 0.09 inch corner radius and a 1-1/2 inch length of cut, providing controlled edge geometry that reduces chipping and extends tool life on hardened and abrasive materials. The micrograin carbide substrate and AlTiN coating deliver high heat resistance and wear performance, making this tool well suited for dry or high-speed cutting environments. The 40-degree helix angle promotes efficient chip evacuation and smooth cutting action. Licensed machinists and CNC operators specify this tool for production and precision finishing work.

This end mill is used in CNC machining centers and manual mills for profiling, slotting, and contouring operations on ferrous metals, stainless steel, titanium, and hardened alloys. The extra-long overall length of 6 inches provides extended reach for deep-pocket or tall-workpiece applications. The single-end, centercutting design allows plunge entry and direct slot milling. Right-hand flute direction and right-hand cutting orientation are standard for conventional CNC spindle setups.

Key Features

• AlTiN coating for high-temperature and wear resistance during dry or high-speed cutting
• Micrograin solid carbide substrate for rigidity and edge retention
• 0.09 inch corner radius reduces stress concentration and extends tool life at workpiece corners
• 40-degree helix angle promotes efficient chip evacuation and smooth cut finish
• Centercutting design enables plunge milling and direct slot entry
• Extra-long 6 inch overall length for deep-pocket and extended-reach applications

Compatibility

Designed as a direct-fit replacement or upgrade for 3/8 inch shank corner radius end mills used in standard CNC machining centers and manual mills with right-hand spindle rotation.

Installation Notes

Installation should be performed by a qualified machinist or CNC setup technician. Ensure the spindle is fully stopped and the machine is in a safe state before tool changes. Use a properly sized collet or end mill holder matched to the 3/8 inch shank diameter, and verify runout with a dial indicator after clamping. Confirm cutting parameters including spindle speed and feed rate are appropriate for the workpiece material and coating type before starting the cut.