Accupro 12178748 Square End Mill 13/64 in 2 Flute Carbide

Product Description

The ACCUPRO 12178748 is a solid carbide square end mill designed for precision milling in metalworking and machining applications. Built from micrograin carbide stock and finished with an nACRo coating, it delivers hardness and heat resistance suited for ferrous and non-ferrous materials. The mill measures 0.2031 inches in diameter with a 5/8 inch length of cut and a 1/4 inch shank. The 40-degree helix angle promotes efficient chip evacuation and smooth cutting action. With 2 spiral flutes and a centercutting design, it handles both plunge and side milling operations. Licensed machinists and CNC operators working in job shops, tool rooms, and production environments are the primary users.

This end mill fits standard milling machines, CNC machining centers, and manual knee mills equipped with a 1/4 inch collet or end mill holder. It is suited for finish and semi-finish passes on steel, stainless, aluminum, and similar materials where close-tolerance profiling or slotting is required. The right-hand cut and right-hand spiral flute configuration is the industry-standard orientation for conventional and climb milling setups. Overall length of 2-1/2 inches keeps deflection low in tight-reach applications.

Key Features

• Solid micrograin carbide construction for rigidity and wear resistance
• nACRo finish coating for improved tool life in demanding cut conditions
• 40-degree helix angle promotes chip flow and reduces cutting forces
• Centercutting design allows plunge entry without a pre-drilled hole
• Right-hand cut and right-hand flute for standard CNC and manual mill setups
• Tight diameter tolerance of +0.000 / -0.002 inches for precise fit and finish

Compatibility

Designed for use in any milling machine or machining center accepting a 1/4 inch shank end mill holder or collet. Suitable as a direct replacement for 2-flute solid carbide square end mills of the same shank and cutting diameter.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Power down and lock out the spindle before loading or removing the tool from the holder. Seat the shank to the minimum insertion depth recommended for the collet or end mill holder in use. Inspect the collet bore and tool shank for chips or debris before tightening, as contamination affects runout and tool life.