Sandvik Coromant 5739739 Square-shoulder Face Mill 3 in

Product Description

The SANDVIK COROMANT 5739739 is an indexable square-shoulder face mill designed for precision milling operations in metalworking and machining environments. Built on the CoroMill 245 platform, it accepts six R245-12T3.. style inserts and delivers a maximum cutting diameter of 3 inches (76.20 mm) with a maximum depth of cut of 0.24 inches (6.10 mm). The cutter body is constructed from steel and uses a screw-type insert holding method for secure, repeatable insert clamping. A 45-degree lead angle and positive rake geometry support efficient chip evacuation and reduced cutting forces across a range of workpiece materials. This tool is installed by machinists and tool-room technicians on milling machines configured for arbor-style tooling.

The 5739739 face mill is suited for square-shoulder and face milling applications on machining centers and knee mills in both production and job-shop environments. It is configured for right-hand cutting direction and close pitch spacing, making it well suited for stable, high-feed operations on steel, cast iron, and similar materials. The 1-inch arbor hole diameter fits standard arbor toolholding systems. An overall height of 1.969 inches (50.00 mm) and a keyway width of 0.384 inches (9.75 mm) allow direct mounting on compatible arbors with keyway drive.

Key Features

• CoroMill 245 series platform with R245-12T3.. compatible insert style
• 3-inch maximum cutting diameter with 6-insert close-pitch configuration
• 45-degree lead angle and positive rake for reduced cutting forces
• Screw-type insert clamping for secure, repeatable indexing
• Steel cutter body with 1-inch arbor hole and keyway drive
• Right-hand cutting direction; no coolant-through requirement

Compatibility

Accepts R245-12T3.. series inserts. Cutter style is RA245. Designed for arbor-style milling machine toolholding systems with a 1-inch arbor hole diameter and 9.75 mm keyway width.

Installation Notes

Installation should be performed by a qualified machinist following the machine tool manufacturer's arbor mounting procedures. Power down and lock out the milling machine spindle before mounting or removing the cutter body. Ensure the arbor, keyway, and retaining hardware are clean and free of chips before seating the cutter. Torque insert screws to the insert manufacturer's specification using the correct Torx or hex key supplied with the inserts.