Hertel 750290 Square End Mill 3/16 in 4 Flute Solid Carbide

Product Description

The HERTEL 750290 is a solid carbide square end mill designed for precision milling in metalworking and machining applications. With a 3/16 inch cutting diameter and a 3/4 inch length of cut, this tool handles slotting, profiling, and contouring in a wide range of materials. The 4-flute spiral geometry with a 30-degree helix angle promotes efficient chip evacuation and smooth surface finishes. An AlTiN coating adds thermal and wear resistance, extending tool life in dry or semi-dry cutting conditions. The micrograin carbide substrate supports rigidity and edge retention in demanding cuts.

This end mill is suited for CNC machining centers and manual mills used in tool and die, mold making, aerospace component work, and general precision fabrication. The centercutting design allows plunge entry as well as conventional peripheral milling. Right-hand cut and right-hand flute orientation make it compatible with standard spindle configurations. The long-length classification provides added reach for deeper features while the 3/16 inch shank diameter keeps it manageable in small-bore collets and end mill holders.

Key Features

• Solid carbide micrograin substrate for rigidity and edge retention
• AlTiN coating for extended tool life in high-temperature cutting environments
• 4-flute spiral geometry with 30-degree helix angle for smooth chip flow
• Centercutting design allows direct plunge entry
• Right-hand cut and right-hand flute for standard spindle compatibility
• Long-length classification for added reach on deeper features

Compatibility

Designed as an OEM-style replacement or standard tooling selection for CNC machining centers and manual mills accepting 3/16 inch shank diameter collets or end mill holders.

Installation Notes

Installation should be performed by a qualified machinist or CNC operator. Ensure the spindle is fully stopped and the machine is powered down before changing tooling. Seat the shank fully in the collet or end mill holder and torque the retention device per the machine manufacturer's specification. Verify runout with a dial indicator before beginning a cut to protect both the tool and the workpiece.