Value Collection 723-3405 Square End Mill 3/8 in Cobalt

Product Description

The VALUE COLLECTION 723-3405 is a cobalt square end mill designed for precision milling operations in ferrous and hard materials. Built from M42 cobalt high-speed steel, it offers superior heat resistance compared to standard HSS tooling, making it well-suited for higher-feed applications where tool temperatures rise. The 3/8 inch cutting diameter pairs with a 2-1/2 inch length of cut and a 4-1/4 inch overall length, placing it in the extra-long category. Four spiral flutes with a 30-degree helix angle promote efficient chip evacuation and a smooth finish on a wide range of workpiece materials.

This end mill is intended for use in vertical machining centers, knee mills, and manual milling machines across job shop, maintenance, and production environments. Its extra-long reach makes it practical for deep-pocket milling, slotting, and profiling where standard-length tools cannot reach the workpiece. The bright uncoated finish is compatible with a broad range of cutting fluids and is a common choice when re-sharpening is anticipated. Machinists and toolroom technicians working in steel, stainless, and high-temp alloys are the typical end users.

Key Features

• M42 cobalt HSS construction for enhanced heat and wear resistance
• 4 spiral flutes with 30-degree helix angle for efficient chip flow
• Extra-long 4-1/4 inch overall length with 2-1/2 inch length of cut for deep-reach applications
• Center-cutting geometry allows plunge entry directly into the workpiece
• Right-hand cut, right-hand flute configuration for standard spindle setups
• Bright uncoated finish compatible with flood coolant and re-sharpening

Compatibility

Designed as a standard 3/8 inch shank end mill compatible with collet chucks, end mill holders, and milling machine spindles accepting 3/8 inch straight-shank tooling.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Ensure the machine spindle is fully stopped and locked out before changing tooling. Seat the shank fully into the collet or holder to the recommended minimum engagement depth and verify runout with a dial indicator before cutting. Do not exceed the tool manufacturers recommended speeds and feeds for the workpiece material and depth of cut.