Accupro 12177403 Square End Mill 3/16 in 6 Flute Carbide

Product Description

The ACCUPRO 12177403 is a solid carbide square end mill designed for precision milling operations in metal, composite, and hard material applications. With a 3/16 inch cutting diameter and 6-flute geometry at a 45-degree helix angle, this end mill delivers smooth chip evacuation and improved surface finishes at higher feed rates. The spiral flute configuration and micrograin carbide substrate make it well-suited for demanding cuts where rigidity and edge retention matter. It is centercutting, allowing plunge entry into a workpiece. Machinists and tool-and-die professionals are the primary users of this tool in CNC and manual milling setups.

This end mill is intended for use in vertical machining centers, CNC mills, and manual knee mills where a 3/16 inch shank diameter is compatible with the collet or toolholder system in use. The 5/16 inch length of cut and 2 inch overall length make it appropriate for shallow-to-moderate depth passes in confined or precise milling operations. It is suited for ferrous and non-ferrous materials where an uncoated micrograin carbide tool is the preferred choice.

Key Features

• 6-flute design with 45-degree helix angle for efficient chip flow and improved finish quality
• Solid micrograin carbide construction for superior edge retention and rigidity
• Centercutting geometry allows direct plunge entry without a pilot hole
• Right-hand cut and right-hand flute spiral for standard milling applications
• Uncoated finish — suitable for dry or wet cutting in ferrous and non-ferrous materials
• Tight mill diameter tolerance of plus 0.000 / minus 0.002 inches ensures dimensional accuracy

Compatibility

Designed as an OEM-style replacement or standard tooling selection for CNC and manual milling machines accepting a 3/16 inch shank diameter collet or toolholder.

Installation Notes

Installation should be performed by a qualified machinist following standard toolholder torque and runout verification procedures. Ensure the machine spindle is fully stopped and the tool is secured in a properly sized collet or end mill holder before operation. Verify shank seating depth and minimize overhang to reduce vibration and deflection. Consult machine tool manufacturer guidelines and applicable shop safety standards before use.