Accupro 12182425 Corner Radius End Mill 3/16 in 4 Flute

Product Description

The ACCUPRO 12182425 is a single-end corner radius end mill manufactured from micrograin solid carbide with a TiCN (Titanium Carbonitride) coating. It carries a 3/16 inch cutting diameter, a 5/8 inch length of cut, and a 0.060 inch corner radius. Four right-hand spiral flutes and a centercutting design allow it to plunge, slot, and profile in ferrous and non-ferrous materials. At 2 inches overall length and 0.03 pounds, it fits standard CNC machining centers and manual mills where compact reach and precise corner geometry are required. Machinists and toolroom professionals select this geometry for finishing passes that demand tight radius tolerances.

This end mill suits production and job-shop environments running ferrous alloys, hardened steels, stainless, and similar materials where TiCN coating provides increased surface hardness and reduced built-up edge. The 3/16 inch shank diameter matches ER collet chucks, Weldon-style holders, and shrink-fit tooling common in CNC vertical machining centers. Its centercutting capability supports ramping and direct plunge entry, reducing the need for pre-drilled pockets in light-duty applications.

Key Features

• Micrograin solid carbide construction for rigidity and wear resistance in demanding cutting operations
• TiCN coating increases surface hardness and extends tool life in ferrous materials
• 0.060 inch corner radius with a tolerance of plus or minus 0.00150 inch for consistent part geometry
• Four right-hand spiral flutes with centercutting capability for plunge, slot, and profile operations
• 3/16 inch shank diameter with a shank tolerance of -0.0001 to -0.0004 inch for secure toolholder fit
• Compact 2 inch overall length suited for short-reach setups on vertical and horizontal machining centers

Compatibility

Designed as an OEM-style replacement or direct application end mill for CNC and manual milling machines accepting a 3/16 inch shank diameter in standard collet, Weldon, or shrink-fit toolholders.

Installation Notes

Installation should be performed by a qualified machinist following shop safety procedures. Ensure the spindle is fully stopped and locked out before inserting or removing the tool from the holder. Verify collet or chuck runout with a dial indicator before cutting to stay within the published diameter tolerance. Do not exceed the toolholder manufacturer's recommended torque specifications for the collet nut.