Accupro 12181906 Square End Mill 9/64 in 3 Flute Solid Carbide

Product Description

The ACCUPRO 12181906 is a solid carbide square end mill designed for precision milling operations in metalworking and machining applications. It features a 9/64 inch (0.1406 inch) cutting diameter, a 1/2 inch length of cut, and a 3/16 inch shank diameter with an overall length of 2 inches. The three-flute, spiral-flute geometry combined with a 40-degree helix angle promotes efficient chip evacuation and smooth cutting action. A titanium carbonitride (TiCN) coating adds surface hardness and wear resistance, extending tool life in demanding materials. This end mill is centercutting, allowing direct plunge entry into workpieces. It is manufactured from micrograin solid carbide for consistent edge retention and dimensional accuracy.

This end mill suits general-purpose milling, slotting, profiling, and contouring in ferrous and non-ferrous materials. Its compact 9/64 inch diameter makes it well suited for fine detail work, narrow slot cutting, and tight-tolerance features in dies, molds, and precision components. The right-hand cut and right-hand flute configuration is standard for conventional CNC machining center setups. Machinists, toolmakers, and CNC operators working in job shops, mold shops, and production environments will find this a reliable single-end cutting tool for regular-length applications.

Key Features

• Solid micrograin carbide construction for superior hardness and edge retention
• TiCN coating improves wear resistance and reduces friction at the cutting edge
• 40-degree helix angle with spiral flutes for efficient chip evacuation
• Centercutting design allows direct plunge milling without pre-drilling
• Right-hand cut, right-hand flute for standard CNC spindle compatibility
• Close-tolerance shank: -0.0001 / -0.0004 inch shank diameter tolerance

Compatibility

Designed as a standard single-end square end mill compatible with CNC machining centers, manual mills, and any spindle accepting a 3/16 inch straight shank tool holder or collet.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Ensure the machine spindle is fully stopped and locked out before inserting or removing the tool from the collet or tool holder. Verify that the collet size matches the 3/16 inch shank diameter and that the tool is seated to the proper gauge length before tightening. Inspect the cutting edges for chips or damage before each use, as carbide tools are brittle and can fracture if mishandled or dropped.