Accupro 12178752 Square End Mill 17/64 in 2 Flute Carbide

Product Description

The ACCUPRO 12178752 is a solid carbide square end mill designed for precision milling operations in metal, composite, and engineering-grade materials. It features a 17/64-inch (0.2656-inch) cutting diameter, a 3/4-inch length of cut, and a 5/16-inch shank diameter, with a 2-1/2-inch overall length. The 2-flute, right-hand spiral design with a 40-degree helix angle promotes efficient chip evacuation and smooth cutting action. The nACRo coating enhances wear resistance and thermal stability, extending tool life in demanding applications. This is a centercutting end mill, allowing plunge entry as well as peripheral and slot milling.

This end mill is suited for general-purpose and finish milling in job shops, tool rooms, and production machining environments. It is appropriate for slotting, profiling, and contouring operations on ferrous and non-ferrous workpieces. The micrograin solid carbide construction and nACRo finish make it a reliable choice for machinists working with steel, stainless, aluminum, and similar materials where dimensional accuracy and surface finish matter.

Key Features

• Solid carbide micrograin construction for rigidity and edge retention
• nACRo finish for improved wear resistance and heat management
• 40-degree helix angle with spiral flute for effective chip evacuation
• Centercutting design allows plunge milling without a pre-drilled hole
• Right-hand cut, right-hand flute configuration
• Mill diameter tolerance of +0.000 / -0.002 inches for consistent fit

Compatibility

Designed as an OEM-style replacement or direct-use end mill for standard 5/16-inch collet or end mill holder setups in CNC machining centers and manual milling machines.

Installation Notes

Installation should be performed by a qualified machinist following the machine tool manufacturer guidelines for tool holding and runout. Ensure the shank is fully seated in the collet or holder and that all locking mechanisms are torqued according to the holder manufacturer specifications. Power down the spindle completely before inserting or removing the tool. Verify shank diameter tolerance compatibility with the collet before use to avoid excessive runout.