Accupro 12182734 Corner Radius End Mill 1/8 in 4 Flute Carbide

Product Description

The ACCUPRO 12182734 is a solid carbide corner radius end mill designed for precision milling of ferrous and hardened materials. It features a 1/8 inch diameter cutting head with a 0.03 inch corner radius, a 4-flute spiral configuration, and an AlTiN coating that improves heat resistance and extends tool life at elevated cutting temperatures. The 1/4 inch length of cut and stub-length geometry provide rigidity in tight setups. This is a single-end, centercutting tool capable of plunge entry. It is installed and operated by machinists and CNC programmers in job shops, tool rooms, and production environments.

This end mill is suited for finish milling, profiling, and slotting operations where a controlled corner radius reduces stress concentrations in the finished workpiece. The stub length type makes it a strong choice for applications requiring minimal overhang and maximum stiffness. The right-hand flute direction and right-hand cutting orientation are standard for conventional CNC vertical milling operations. It performs well in steel, stainless steel, titanium, and other hard alloys where AlTiN coating provides thermal protection.

Key Features

• Solid micrograin carbide construction for rigidity and edge retention in hard materials
• AlTiN coating provides oxidation resistance and extends tool life in high-temperature cuts
• 0.03 inch corner radius reduces workpiece stress risers and improves surface finish at edges
• Centercutting design allows direct plunge entry without a pre-drilled hole
• 4-flute spiral geometry balances chip evacuation with surface finish quality
• Stub-length configuration minimizes deflection in high-precision or high-feed setups

Compatibility

Designed as an OEM-style replacement and standard tooling option for CNC machining centers and manual mills accepting a 1/8 inch straight shank collet or end mill holder.

Installation Notes

This tool is installed by machinists using a collet chuck or end mill holder sized for a 1/8 inch shank. Ensure the machine spindle is fully stopped and locked before inserting or removing the tool. Verify runout and tool projection before cutting to maintain dimensional accuracy. Follow the tool manufacturer and machine builder guidelines for speeds, feeds, and depth of cut appropriate to the workpiece material.