Promax 129-46414 Corner Radius End Mill 1 in 4 Flute

Product Description

The PROMAX 129-46414 is a solid carbide corner radius end mill designed for high-performance milling in demanding machining environments. It features a 1 inch cutting diameter, a 0.03 inch corner radius, and 4 spiral flutes with a 40-degree helix angle. The AlTiN coating provides thermal resistance and extended tool life when cutting hardened steels, stainless alloys, and other abrasive materials. With a 1-3/4 inch length of cut and a 4 inch overall length, this tool suits a wide range of peripheral and slotting operations. Machinists and CNC operators working in job shops, tool rooms, and production environments are the primary users.

This end mill is suited for milling operations on ferrous and non-ferrous metals where edge protection and finish quality matter. The single-end, right-hand cutting configuration and right-hand flute direction make it compatible with standard CNC machining centers and manual mills. The corner radius geometry reduces stress concentration at the tool tip and helps achieve consistent edge breaks and blended transitions on workpiece features. It is a regular-length tool appropriate for general-purpose side milling, profiling, and contouring.

Key Features

• 1 inch cutting diameter with micrograin solid carbide construction for rigidity and wear resistance
• 0.03 inch corner radius reduces chipping and improves edge life at the cutting corner
• AlTiN coating provides high-temperature oxidation resistance for extended use in hardened and alloy steels
• 40-degree helix angle promotes smooth chip evacuation and improved surface finish
• 4 spiral flutes in right-hand cut and right-hand flute orientation for standard CNC spindle compatibility
• Single-end design with 1 inch shank diameter for secure toolholder engagement

Compatibility

Designed as an OEM-style replacement and standard fitment for CNC machining centers and manual milling machines accepting a 1 inch straight shank end mill in standard toolholders, collet chucks, and shrink-fit holders.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Ensure the spindle is fully stopped and the machine is in a safe, powered-down state before loading or removing the tool. Use a properly sized collet or toolholder rated for the 1 inch shank diameter and verify runout with a dial indicator before beginning a cut. Consult the machine manufacturer and applicable shop safety standards for correct clamping torque and setup procedures.