Accupro 12177488 Tapered End Mill 3 Flute Solid Carbide

Product Description

The ACCUPRO 12177488 is a solid carbide tapered end mill designed for precision milling operations requiring a controlled taper profile. The small end diameter measures 1/4 inch with a 2-degree taper angle per side, producing a consistent taper along the length of cut. A 3/8-inch shank diameter and 1-1/4-inch length of cut support stable tool engagement in a wide range of CNC and manual milling setups. The micrograin carbide substrate provides wear resistance and edge retention well-suited to ferrous and non-ferrous materials. The bright uncoated finish makes it a practical choice for applications where a coating is not required or where re-sharpening is anticipated.

This end mill is used in die and mold work, cavity milling, and part geometry that requires drafted walls or angled side profiles. The square end configuration allows it to produce flat floors while maintaining the taper on the side walls. The 3-flute design balances chip evacuation and cutting efficiency, making it appropriate for both roughing passes and semi-finish work in moderate material removal scenarios. It is center-cutting, so it can be used for plunge entry as well as contour and slot milling.

Key Features

• 2-degree taper angle per side for consistent drafted wall geometry
• Solid micrograin carbide construction for edge retention and rigidity
• 3-flute spiral design with right-hand flute direction for efficient chip clearing
• 30-degree helix angle for smooth cutting action and reduced chatter
• Center-cutting capable for direct plunge entry
• Bright uncoated finish suitable for general-purpose milling and regrind applications

Compatibility

Designed as an OEM-style replacement or direct-use tapered end mill for CNC machining centers and manual mills accepting a 3/8-inch straight shank toolholder.

Installation Notes

Installation is performed by a machinist or CNC setup technician using an appropriate 3/8-inch collet or end mill holder. Ensure the machine spindle is fully stopped and the tool holder is clean and free of debris before securing the shank. Verify runout with a dial indicator after installation to confirm concentricity before beginning a cut. Follow shop safety protocols and applicable machine guarding requirements during all tooling changes.