Accupro 12183347 Corner Radius End Mill 5/8 in 4 Flute Ticn

Product Description

The ACCUPRO 12183347 is a solid carbide corner radius end mill designed for precision milling in demanding machining applications. Built from micrograin solid carbide and coated with TiCN (titanium carbonitride), this single-end, centercutting tool delivers hard-material performance with extended tool life. It features a 5/8-inch diameter, a 3-inch length of cut, and a 1/8-inch (0.1250-inch) corner radius that reduces stress concentration at the cutting edge. The 40-degree helix angle promotes efficient chip evacuation, and the right-hand spiral flutes support consistent cutting direction in standard CNC and manual milling setups.

This end mill is suited for ferrous and non-ferrous machining in job shop, toolroom, and production environments. The extra-long 6-inch overall length accommodates deep-cavity milling, pocket work, and contoured surface passes where standard-length tools cannot reach. The centercutting geometry allows plunge entry, making it useful for slotting, profiling, and ramping operations. Machinists and CNC programmers working with hardened steels, stainless alloys, and cast iron will find the TiCN coating and micrograin substrate well matched to those materials.

Key Features

• Micrograin solid carbide substrate for rigidity and wear resistance in hard materials
• TiCN coating extends tool life and reduces built-up edge in ferrous applications
• 1/8-inch corner radius reduces edge chipping and improves part surface finish at corners
• Extra-long 6-inch OAL with 3-inch length of cut for deep-reach milling operations
• Centercutting design permits direct plunge entry without a pre-drilled hole
• 40-degree helix with right-hand spiral and right-hand cutting direction for standard spindle use

Compatibility

Designed as a standard 5/8-inch shank end mill compatible with ER, CAT, BT, and HSK toolholders sized for 5/8-inch bore, used in CNC machining centers and manual knee mills with sufficient spindle speed and rigidity.

Installation Notes

Installation should be performed by a qualified machinist following shop safety procedures. Ensure the toolholder bore and collet are clean and within tolerance before seating the shank; shank diameter tolerance is -0.0001 to -0.0004 inches for a secure, concentric fit. Power down and lock out the spindle before changing tooling. Verify runout with a dial indicator after clamping to confirm concentricity before cutting.