Iscar 3398347 Square End Mill 3/4 in 4 Flute Solid Carbide

Product Description

The ISCAR 3398347 is a solid carbide square end mill designed for precision milling operations in demanding machining environments. With a 3/4-inch cutting diameter and a 2-1/4-inch length of cut, this single-end tool delivers the reach and rigidity needed for peripheral and slot milling in steel, stainless, and high-temp alloys. The submicron carbide grade provides excellent hardness and wear resistance. A TiAlCN coating adds thermal protection and reduces friction, extending tool life in high-speed applications. Licensed machinists and toolroom technicians are the primary installers and operators of this end mill.

This end mill is suited for CNC machining centers and manual knee mills performing roughing and finishing cuts on ferrous and non-ferrous workpiece materials. The 38-degree helix angle promotes efficient chip evacuation and smooth cutting action. The variable index flute geometry reduces harmonic vibration during aggressive cuts, making it a practical choice for production environments where chatter control directly affects surface finish quality and dimensional accuracy.

Key Features

• 3/4-inch cutting diameter with 2-1/4-inch length of cut for deep slot and peripheral milling
• 4-flute, right-hand spiral configuration with 38-degree helix for efficient chip removal
• TiAlCN coating provides high-temperature resistance and extended tool life
• Submicron solid carbide grade delivers superior hardness and edge retention
• Variable index flute spacing reduces vibration and improves surface finish
• Center-cutting capable, allowing plunge entry into the workpiece

Compatibility

Designed as a standard 3/4-inch shank round end mill compatible with ER collet chucks, end mill holders, and hydraulic tool holders sized for 3/4-inch shank tooling on CNC machining centers and manual milling machines.

Installation Notes

Installation and operation should be performed by qualified machinists familiar with rotating cutting tool safety. Ensure the tool holder bore is clean and free of debris before seating the shank, and torque the retention screw or collet nut to the tool holder manufacturer specification. Confirm spindle speed and feed rate parameters match the material being cut before engaging the tool. Never exceed the tool's rated depth of cut or operate with a damaged or chipped cutting edge.