Accupro 12180311 Corner Rounding End Mill 1/8 in 2 Flute

Product Description

The ACCUPRO 12180311 is a double-end corner rounding end mill designed to machine precise convex radii on workpiece edges and shoulders. Built from solid carbide with an AlTiN (aluminum titanium nitride) coating, it delivers the hardness and heat resistance required for cutting ferrous metals, stainless steel, and high-temperature alloys at elevated speeds. The 0.031 inch radius produces a consistent, repeatable edge break or blend radius. With a 1/8 inch diameter and two right-hand flutes, this tool is suited for light-duty profiling passes in die-and-mold work, aerospace components, and precision machined parts where edge geometry is a print requirement.

This end mill is used in CNC vertical machining centers and manual knee mills where edge rounding, chamfer blending, or radius contouring is required. The double-end configuration extends tool life by providing two usable cutting ends before the tool is retired. It is appropriate for job shops, tool rooms, and production environments working with steel, titanium, and hardened materials where AlTiN coating performance is specified. The 1/8 inch shank fits standard collets and end mill holders found on most light-duty CNC platforms.

Key Features

• Double-end design provides two cutting ends per tool, reducing per-edge tooling cost
• AlTiN coating enhances heat resistance and tool life in ferrous and high-temp alloy cuts
• Solid carbide construction maintains rigidity and edge integrity at high spindle speeds
• 0.031 inch corner radius delivers a precise, repeatable convex edge profile
• Right-hand cut and right-hand flute geometry compatible with standard CNC spindle rotation
• 1/8 inch shank fits common collet and end mill holder sizes

Compatibility

Designed as an OEM-style replacement or direct-use corner rounding end mill for CNC machining centers and manual mills accepting a 1/8 inch shank with standard ER or end mill collet holders.

Installation Notes

Installation should be performed by a qualified machinist or CNC setup technician. Power down and lock out the spindle drive before changing tooling. Seat the shank fully into the collet or holder to the recommended gauge line and tighten to the tool holder manufacturer specification. Verify runout with a dial indicator before starting a production cut, as excessive runout will accelerate edge wear on small-diameter carbide tools.