Accupro 12180372 Corner Rounding End Mill 4 Flute Carbide

Product Description

The ACCUPRO 12180372 is a double-end, solid carbide corner rounding end mill designed for precision edge-profile work on metal and composite workpieces. With a 0.031-inch corner radius and a 3/16-inch (0.1875-inch) mill diameter, this tool produces consistent, repeatable radius profiles in a single pass. The four-flute, right-hand cutting geometry promotes chip evacuation and surface finish quality. At 2 inches overall length with a matching 3/16-inch shank diameter, it fits standard collet toolholding setups on CNC mills and manual knee mills. The bright, uncoated carbide construction suits general-purpose ferrous and non-ferrous applications where coating is not required.

This end mill is suited for production and job-shop environments where radiusing external corners, blending edges, or removing sharp burrs is a routine operation. The double-end configuration doubles tool life before discard, making it practical for high-cycle toolpaths. Typical applications include mold and die work, fixture fabrication, and precision part finishing in aerospace, automotive, and general machining contexts. A 0.120-inch tip diameter accommodates moderate material removal at the corner profile without sacrificing rigidity in the shank.

Key Features

• 0.031-inch corner radius for fine, repeatable edge profiling
• Double-end design extends usable tool life
• Four right-hand flutes with right-hand cutting direction for smooth chip flow
• Solid carbide construction provides rigidity and wear resistance
• Bright, uncoated finish compatible with a wide range of workpiece materials
• 3/16-inch shank fits standard ER and straight-bore collet systems

Compatibility

Designed as a standard-shank corner rounding end mill compatible with CNC machining centers and manual mills equipped with 3/16-inch collet or toolholding systems.

Installation Notes

Installation and tool changes should be performed by a qualified machinist with the spindle fully stopped and machine in an e-stop or lock-out state. Seat the shank fully into the collet or toolholder before tightening to manufacturer-specified clamping torque for the holder type in use. Inspect the cutting edges and corner radius for chips or wear before each use. Follow shop runout tolerances and balance requirements as applicable to the machine and spindle speed range.