Accupro 12177491 Tapered End Mill 3 Flute Solid Carbide

Product Description

The ACCUPRO 12177491 is a solid carbide tapered end mill designed for precision milling operations requiring a consistent 2-degree taper per side. Built from micrograin carbide, it delivers the rigidity and edge retention needed for tight-tolerance profiling, contour milling, and draft-angle work. The 3-flute, right-hand spiral configuration with a 30-degree helix angle promotes efficient chip evacuation while maintaining surface finish quality. With a 3/8-inch small end diameter, 1/2-inch shank, and 1-1/4-inch length of cut, this tool is suited for machinists running CNC mills or manual knee mills where controlled material removal depth is critical.

This tapered end mill is used in job shop, production machining, and toolroom environments. The square end profile and center-cutting capability allow it to be plunged directly into a workpiece or used for ramp entry. Typical applications include mold and die work, aerospace component profiling, and any operation where a precise draft angle must be maintained along the full length of cut. The uncoated finish makes it compatible with a wide range of materials and easy to resharpen.

Key Features

• 2-degree taper per side for accurate draft-angle milling
• Solid micrograin carbide construction for superior wear resistance and edge retention
• 3-flute right-hand spiral with 30-degree helix for efficient chip removal
• Center-cutting design allows direct plunge entry or ramp milling
• Uncoated finish supports resharpening and broad material compatibility
• Square end profile suited for contour, profiling, and cavity work

Compatibility

Designed as an OEM-style replacement or direct-use tapered end mill for CNC machining centers and manual mills accepting a 1/2-inch straight shank toolholder.

Installation Notes

Installation should be performed by a qualified machinist following standard toolholding procedures. Secure the 1/2-inch shank in a collet, end mill holder, or shrink-fit chuck to the manufacturer-recommended clamping length before use. Verify runout with a dial indicator before beginning a cut, as excessive runout accelerates tool wear and degrades surface finish. Always confirm spindle speed and feed rate are appropriate for the workpiece material before engaging the cut.