Accupro 315673 Corner Radius End Mill 3/4 in Solid Carbide Zrn

Product Description

The ACCUPRO 315673 is a solid carbide corner radius end mill designed for precision milling in demanding metalworking applications. It features a 3/4 inch diameter, a 1 inch length of cut, and a 6 inch overall length with extended reach capability suited for deep-pocket and stepped-wall machining. The ZrN (zirconium nitride) coating reduces friction and improves wear resistance during high-speed cutting. With three flutes, a right-hand spiral flute direction, and a 37-degree helix angle, this end mill delivers efficient chip evacuation and a smooth surface finish. It is centercutting, enabling plunge entry without a pilot hole. Micrograin solid carbide construction provides high hardness and edge retention across a range of workpiece materials.

This end mill is intended for professional machining environments including tool rooms, production shops, and job shops running CNC mills or manual knee mills. The extended reach and 3-3/8 inch reach length make it well-suited for accessing deep features, tall workpieces, or areas where a standard-length end mill cannot reach. The 0.060 inch corner radius reduces stress concentration at the tool corner and improves corner life when profiling or contouring. Single-end configuration with a 3/4 inch shank fits standard ER and side-lock toolholders common on most machining centers.

Key Features

• Solid micrograin carbide construction for high hardness and edge retention
• ZrN coating reduces friction and extends tool life in ferrous and non-ferrous materials
• Extended reach with 3.375 inch reach length for deep-pocket and stepped-wall applications
• 0.060 inch corner radius reduces corner chipping and stress concentration
• Centercutting design allows direct plunge entry without pre-drilling
• Three-flute, right-hand spiral geometry promotes efficient chip evacuation

Compatibility

Designed as an OEM-style solid carbide end mill compatible with standard 3/4 inch bore ER collet chucks, side-lock holders, and hydraulic toolholders used on CNC machining centers and manual milling machines.

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 an e-stop or locked-out state before loading or removing the end mill. Verify the toolholder bore is clean and free of chips before seating the shank to maintain runout within acceptable limits. Observe the shank diameter tolerance of -0.0001 to -0.0004 inches when selecting a collet or toolholder to ensure proper fit and minimize vibration.