Hertel EF99921292 Square End Mill 1/2 in 2 Flute Hss Ticn

Product Description

The HERTEL EF99921292 is a single-end square end mill designed for general-purpose milling operations in metal fabrication and machining environments. It measures 0.5 inches in diameter with a 1-inch length of cut and a 3.25-inch overall length. Constructed from high speed steel with a TiCN (titanium carbonitride) finish, it delivers improved surface hardness and wear resistance compared to uncoated HSS tooling. The 2-flute, 30-degree helix spiral configuration promotes efficient chip evacuation, and the centercutting geometry allows for plunge milling as well as peripheral cutting. This tool is installed and used by machinists, tool-and-die professionals, and CNC operators.

This end mill is suited for light to medium material removal in ferrous and non-ferrous metals, plastics, and composites. The right-hand cut and right-hand flute orientation make it compatible with standard spindle rotation on conventional and CNC vertical milling machines. The 0.5-inch shank diameter fits standard ER and straight-shank collet systems commonly found in knee mills, machining centers, and drill presses with milling capability. Applications include slotting, profiling, contouring, and plunge cutting where a 2-flute geometry provides adequate chip clearance.

Key Features

• TiCN coating increases surface hardness and extends tool life compared to uncoated HSS
• 30-degree helix angle promotes smooth cutting action and efficient chip evacuation
• Centercutting design enables direct plunge entry into workpiece material
• 2-flute spiral configuration provides generous chip clearance for slotting and profiling
• Right-hand cut and right-hand flute for standard spindle compatibility
• Single-end construction with 0.5-inch shank for broad collet and holder compatibility

Compatibility

Designed as an OEM-style replacement or direct-use cutting tool for standard 0.5-inch straight-shank collet systems and end mill holders used in vertical milling machines and CNC machining centers.

Installation Notes

Installation is performed by machinists using an appropriate collet chuck or end mill holder rated for the 0.5-inch shank diameter. Ensure the machine spindle is fully stopped and locked out before changing tooling. Confirm runout with a dial indicator after seating the tool in the holder to minimize deflection and premature wear. Follow applicable shop safety standards and machine manufacturer guidelines for spindle speed and feed rate selection based on workpiece material.