Hertel 750221 Square End Mill 0.5 in 4 Flute Solid Carbide Ticn

Product Description

The HERTEL 750221 is a 4-flute solid carbide square end mill designed for precision milling in ferrous and non-ferrous materials. Built from micrograin carbide stock and finished with a TiCN (Titanium Carbonitride) coating, it delivers extended tool life and heat resistance in demanding cutting environments. The 0.5-inch diameter cutter runs a 30-degree spiral helix with right-hand cut and right-hand flute geometry, producing clean, consistent chip evacuation. With a 1-inch length of cut and 3-inch overall length, this is a standard-reach tool suited to general-purpose profiling, slotting, and peripheral milling operations. Machinists and tool-and-die professionals rely on this configuration for tight-tolerance work.

This end mill fits production machining, tool rooms, and job shop environments where a reliable general-purpose square end mill is required. The centercutting design allows direct plunge entry without a pre-drilled hole, expanding its use in pocket milling and ramping operations. Its regular-length profile suits vertical mills, CNC machining centers, and manual knee mills. The 0.5-inch shank diameter is compatible with standard ER collet chucks, end mill holders, and Weldon-flat toolholders commonly found in machine shops.

Key Features

• Micrograin solid carbide construction for high rigidity and wear resistance
• TiCN coating increases surface hardness and reduces built-up edge in ferrous applications
• 4-flute, 30-degree helix spiral flute for efficient chip flow and improved finish quality
• Centercutting geometry enables direct plunge milling without pre-drilling
• Right-hand cut and right-hand flute — standard orientation for conventional and climb milling
• Diameter tolerance of plus 0.000 / minus 0.002 inches for close-tolerance fitment

Compatibility

Designed as a standard 0.5-inch shank square end mill compatible with ER collet systems, end mill holders, and other 0.5-inch bore toolholding systems used on vertical CNC machining centers and manual milling machines.

Installation Notes

Installation should be performed by a qualified machinist following the machine tool manufacturer guidelines for toolholder torque and runout specifications. Ensure the spindle and toolholder bores are clean and free of chips before seating the shank. Confirm the tool is secured to the full recommended engagement depth in the holder to avoid pullout under cutting loads. Always verify spindle RPM and feed rate against published speeds-and-feeds data for the specific workpiece material before beginning the cut.