Hertel E2030902 Square End Mill 5/8 in 2 Flute Cobalt

Product Description

The HERTEL E2030902 is a cobalt square end mill designed for milling ferrous and difficult-to-machine materials in machining center and manual mill applications. Built from M42 cobalt high-speed steel, this tool delivers heat and wear resistance suitable for hard alloys, stainless steel, and tool steels. The 5/8-inch diameter cutter features a 30-degree helix spiral flute geometry that promotes chip evacuation and smooth cutting action. With a 2-flute configuration and centercutting capability, it handles both peripheral and plunge cuts. Machinists, tool and die makers, and general machine shop operators install this type of end mill in everyday production and prototype work.

This end mill fits standard milling operations in job shops, maintenance facilities, and production environments. The 1/2-inch shank diameter seats in common R8, ER, or Weldon-style toolholders used on knee mills and machining centers. The regular-length geometry suits general-purpose slot milling, profiling, and step milling where extended reach is not required. Right-hand cut and right-hand flute orientation match the most common machine spindle configurations.

Key Features

• M42 cobalt HSS construction for elevated heat resistance and extended tool life in hard materials
• Centercutting design allows direct plunge entry without a pre-drilled hole
• 30-degree helix spiral flute promotes efficient chip flow and reduced cutting forces
• Right-hand cut, right-hand flute orientation compatible with standard spindle direction
• Uncoated finish suitable for use with or without cutting fluid
• 2-flute count provides clearance for chip-heavy or gummy material removal

Compatibility

Designed as an OEM-style replacement or direct-use cutting tool for standard milling operations requiring a 5/8-inch diameter square end mill with a 1/2-inch shank in right-hand spindle machines.

Installation Notes

Installation is performed by qualified machinists or toolroom personnel. Secure the shank fully in a clean, undamaged toolholder and torque set screws or collet nuts according to the toolholder manufacturer specifications. Inspect the cutting edges for chips or damage before mounting. Follow shop safety protocols and machine guarding requirements before initiating any cut.