Kennametal 6139922 Square-shoulder Face Mill 1-1/2 in

Product Description

The KENNAMETAL 6139922 is an indexable square-shoulder face mill designed for precision milling operations on machining centers and CNC mills. Built around the Mill 4-11 series platform, this tool accepts LNGU110408SRGE style inserts and holds six inserts simultaneously, enabling high-productivity face milling passes. The body is constructed from steel and features through-coolant capability, supporting extended tool life and heat management during aggressive cuts. With a 0-degree lead angle and negative rake geometry, it produces a true 90-degree shoulder profile. A licensed machinist or tooling specialist typically sets up and qualifies this tool for production use.

This face mill is sized for applications requiring a 1.5-inch maximum cutting diameter with a maximum depth of cut of 11 millimeters. It is suited for square-shoulder profiling, facing, and step milling on ferrous and non-ferrous workpiece materials in both job shop and production environments. The right-hand cutting direction and 40 mm body height make it compatible with standard vertical and horizontal milling setups. Through-coolant delivery is available at the tool body, making it well-suited for wet-machining operations where chip evacuation and thermal control are critical.

Key Features

• 1.5-inch maximum cutting diameter with 11 mm maximum depth of cut per pass
• Accepts 6 LNGU110408SRGE inserts with clamp and screw holding method
• Through-coolant design with 0.087-inch coolant hole diameter for active chip and heat management
• 0-degree lead angle with negative rake geometry for true square-shoulder profiles
• Steel toolholder body for rigidity under high feed and interrupted-cut conditions
• Mill 4-11 series platform for broad insert availability and consistent system compatibility

Compatibility

Designed for use with LNGU110408SRGE series inserts as part of the Kennametal Mill 4-11 milling system. Arbor hole diameter is 0.5 inches (12.70 mm), compatible with standard arbor-style spindle tooling at that bore size.

Installation Notes

Installation should be performed by a qualified machinist or CNC tooling technician. Ensure the machine spindle is fully stopped and locked out before mounting or removing the cutter body. Verify insert seating and torque fasteners to the insert manufacturer specifications using calibrated tooling before running the cutter. Confirm coolant line connection if through-coolant is to be used, and verify runout with a dial indicator prior to production use.