Accupro 12184800 Ball End Mill 0.3281 in 4 Flute Carbide

Product Description

The ACCUPRO 12184800 is a single-end ball end mill designed for contour milling, profiling, and 3D finishing operations on a wide range of materials. Built from micrograin solid carbide, it delivers rigidity and edge retention that high-speed steel tooling cannot match. The cutting end measures 0.3281 inches in diameter with a 0.625-inch length of cut, and the tool runs a 40-degree right-hand spiral helix to promote efficient chip evacuation. A TiCN coating adds surface hardness and lubricity, extending tool life in ferrous and non-ferrous applications. This mill is a right-hand cut, right-hand flute, stub-length tool intended for use by machinists, CNC operators, and toolroom technicians.

This ball end mill is suited for CNC machining centers and manual mills in job shop, production, and toolroom environments. The stub-length configuration provides additional rigidity, making it a preferred choice when machining harder materials or when tool deflection must be minimized. The 0.3281-inch diameter is well matched to finish passes, slot milling, and contour work where a 21/64-inch diameter tool path is required. It is a single-end tool, so the full geometry is concentrated at one cutting end for maximum performance.

Key Features

• Micrograin solid carbide construction for enhanced rigidity and edge retention
• TiCN coating increases surface hardness and reduces friction during cutting
• 40-degree right-hand helix promotes efficient chip evacuation
• 4-flute design provides a superior surface finish compared to 2-flute configurations
• Stub-length geometry minimizes tool deflection in demanding cuts
• Single-end configuration concentrates cutting performance at one end

Compatibility

Designed as an OEM-style replacement or direct-use ball end mill compatible with standard end mill holders and collet chucks accepting a 3/8-inch shank diameter.

Installation Notes

Installation is performed by qualified machinists or CNC operators. Secure the 3/8-inch shank in a clean, properly sized collet or end mill holder and torque the retention mechanism according to the toolholder manufacturer specifications. Inspect the collet and holder bore for runout before use, as excessive runout will accelerate tool wear and degrade surface finish. Always confirm spindle direction is set to right-hand rotation before engaging the cut.