Hertel E2032906 Square End Mill 1 in 6 Flute Cobalt

Product Description

The HERTEL E2032906 is a 6-flute cobalt square end mill designed for milling operations in ferrous and hard materials. With a 1 inch cutting diameter and a 1-7/8 inch length of cut, it delivers aggressive material removal in a rigid, single-end configuration. The cutter is ground from M42 cobalt high-speed steel, which provides superior heat resistance and edge retention compared to standard M2 HSS. A 30-degree right-hand spiral flute geometry promotes smooth chip evacuation and consistent surface finish. The 5/8 inch shank fits standard ER and end mill holders. This tool ships uncoated and is intended for machinists and tool and die professionals working on manual or CNC milling equipment.

This end mill is suited for peripheral and slot milling in ferrous alloys, stainless steel, and difficult-to-machine materials where cobalt tooling is preferred over carbide in interrupted-cut or variable-condition applications. The regular-length configuration with a 4 inch overall length keeps the tool stiff and reduces deflection during side milling passes. It is a non-centercutting design, meaning it is not intended for direct plunge drilling. Typical applications include profile milling, shoulder milling, and contouring on vertical milling machines and CNC machining centers.

Key Features

• M42 cobalt HSS construction for elevated heat resistance and edge durability
• 6-flute design increases feed rate capacity and improves surface finish over 4-flute tools
• 30-degree right-hand helix promotes efficient chip flow in ferrous materials
• Uncoated finish — ready to run as-is or accept aftermarket coatings
• Non-centercutting geometry — suited for peripheral and slot milling, not direct plunge entry
• Regular length with 5/8 inch shank provides rigidity in standard end mill holders

Compatibility

Designed for use in standard end mill holders, collet chucks, and milling machine spindles accepting a 5/8 inch straight shank. Fits both manual knee mills and CNC vertical machining centers with appropriate toolholding.

Installation Notes

Installation and tool changes must be performed with the machine spindle fully stopped and locked out per applicable shop safety procedures. Seat the shank fully into the holder and torque set screws or collet nuts per the toolholder manufacturer specifications. Verify runout with a dial indicator before initiating a cut. Because this is a non-centercutting end mill, always ramp or helical-interpolate into a pocket rather than plunging directly.