Hertel E599924315 Square End Mill 5/16 Inch 2 Flute Carbide

Product Description

The HERTEL E599924315 is a solid carbide square end mill designed for precision milling operations in metal, composites, and hard plastics. It features a 5/16 inch cutting diameter with a 3/4 inch length of cut and a 3 inch overall length. The double-end configuration provides two usable cutting ends, extending tool life between changes. A 30-degree helix angle promotes efficient chip evacuation, and the spiral flute geometry supports smooth cutting action. This tool is center-cutting capable, allowing plunge entry as well as conventional peripheral milling. It is intended for use by machinists and tool-and-die professionals working on CNC mills and manual knee mills alike.

This end mill is suited for general-purpose milling applications in job shops, maintenance facilities, and production environments. The uncoated solid carbide construction makes it well matched to non-ferrous metals, aluminum alloys, plastics, and light steel cuts where a coating is not required. The 5/16 inch shank fits standard ER collets and end mill holders sized for that bore. The right-hand cut orientation is the standard configuration for conventional and climb milling on vertical machining centers.

Key Features

• Double-end design provides two cutting ends per tool for extended usable life
• Center-cutting capability allows direct plunge entry without pre-drilling
• 30-degree helix angle promotes efficient chip flow and reduced cutting forces
• Solid carbide construction delivers rigidity and wear resistance over high-speed steel alternatives
• Uncoated finish suits non-ferrous metals, aluminum, and plastics
• Spiral flute geometry supports smooth, consistent surface finishes

Compatibility

Designed as an OEM-style replacement or direct-fit option for standard 5/16 inch bore end mill holders and ER collet chucks used in vertical machining centers and CNC knee mills.

Installation Notes

This tool is installed by a machinist or toolroom professional using a compatible collet chuck or end mill holder. Ensure the machine spindle is fully powered down and locked out before changing tooling. Use the correct torque wrench and collet nut spanner to seat the shank firmly without over-tightening. Verify runout with a dial indicator after installation to confirm proper seating before beginning a cut.