Hertel E1053016 Square End Mill 1/4 in 4 Flute Hss

Product Description

The HERTEL E1053016 is a double-end, square-profile end mill designed for general-purpose milling operations in metal and non-ferrous materials. Built from M7 high speed steel with an uncoated finish, it features a 0.25-inch cutting diameter, a 0.625-inch length of cut, and a 30-degree spiral helix angle. The four-flute geometry supports smooth chip evacuation and surface finish quality in a wide range of slotting, profiling, and peripheral milling applications. Its centercutting capability allows direct plunge entry into workpiece material without a pre-drilled hole.

This end mill suits CNC machining centers, manual knee mills, and benchtop milling machines used in job shops, maintenance facilities, and toolrooms. The 0.375-inch shank diameter fits standard ER and R8 collet systems. The double-end design provides two usable cutting ends, extending tool life per unit. It is well suited for light-to-medium roughing and finishing passes in steel, aluminum, brass, and similar machinable materials where a coated tool is not required.

Key Features

• Double-end construction provides two cutting ends for extended tool service life
• M7 high speed steel substrate offers good toughness and wear resistance for general machining
• 30-degree helix angle promotes smooth cutting action and efficient chip flow
• Centercutting design allows direct plunge milling without a pilot hole
• Right-hand cut, right-hand spiral flute configuration for standard spindle rotation
• Uncoated finish suitable for use with cutting fluid in a variety of common materials

Compatibility

Designed as a general-purpose replacement or production end mill compatible with any milling machine or machining center equipped with a collet or end mill holder accepting a 0.375-inch shank diameter.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Ensure the machine spindle is fully stopped and locked out before changing tooling. Seat the shank to the full recommended engagement depth in the collet or holder and torque the retention nut per the toolholder manufacturer specifications. Verify runout with a dial indicator before beginning production cuts, and apply appropriate cutting fluid for the workpiece material.