Hertel E199921267 Square End Mill 9/32 in 2 Flute Hss

Product Description

The HERTEL E199921267 is a square end mill manufactured from high speed steel (HSS), designed for general-purpose milling operations in metal fabrication and machining environments. The cutter measures 0.2813 inches (9/32 inch) in diameter with a 0.5625-inch (9/16 inch) length of cut, a 0.375-inch (3/8 inch) shank diameter, and a 2.5-inch overall length. It features 2 flutes with a 30-degree helix angle, right-hand cut, and right-hand flute spiral geometry. The uncoated HSS construction is suited to a wide range of ferrous and non-ferrous workpiece materials. This end mill is centercutting, allowing it to plunge directly into the workpiece.

This end mill is used in manual milling machines, knee mills, and CNC machining centers for slotting, profiling, and peripheral milling applications. The 9/32-inch diameter makes it appropriate for small-feature work in toolroom, maintenance machining, and production environments. The 3/8-inch shank fits standard collet systems and end mill holders commonly found in light to medium-duty mill setups. It is typically installed and used by machinists, tool and die makers, and maintenance technicians working on ferrous and non-ferrous materials at conventional cutting speeds appropriate for HSS tooling.

Key Features

• Centercutting geometry allows direct plunge entry into the workpiece
• 30-degree helix angle promotes chip evacuation in spiral flute design
• Right-hand cut and right-hand flute orientation for standard spindle rotation
• Uncoated high speed steel construction suitable for a broad range of materials
• 2-flute configuration provides larger chip clearance for slotting operations
• 3/8-inch shank diameter fits widely available collet and holder systems

Compatibility

Designed as a standard-shank HSS square end mill for use in any milling machine or machining center equipped with a collet, end mill holder, or chuck accepting a 3/8-inch shank diameter.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Ensure the spindle is fully stopped and the machine is powered down before inserting or removing the end mill from its holder. The shank should be seated to the full recommended engagement depth in the collet or holder and secured to the torque specification provided by the toolholder manufacturer. Select cutting speeds and feeds appropriate for HSS tooling and the specific workpiece material being machined.