Value Collection 723-5787 Roughing End Mill 7/8 in 5 Flute Cobalt

Product Description

The VALUE COLLECTION 723-5787 is a single-end roughing end mill designed for aggressive material removal in milling operations. Built from M42 cobalt high-speed steel with a bright, uncoated finish, it measures 0.875 inches in diameter with a 1.875-inch length of cut and a 4.125-inch overall length. The 5-flute design with right-hand cutting and right-hand flute direction provides efficient chip evacuation and stable cutting action on ferrous and difficult-to-machine alloys. This tool is suited for machinists and tool-and-die professionals running roughing passes on manual or CNC vertical mills.

This roughing end mill is intended for use in metalworking shops performing stock removal on steel, stainless, and other hard alloys where M42 cobalt tooling is specified. The 7/8-inch shank diameter matches the mill diameter, making it compatible with standard collets and end mill holders of that bore size. It is a single-end tool, so it is replaced rather than reversed at end of life. Typical applications include roughing pockets, slots, and profiles prior to a finishing pass.

Key Features

• M42 cobalt high-speed steel construction for heat and wear resistance in demanding cuts
• 5 flutes for increased feed rates and improved surface finish on roughing passes
• Right-hand cut, right-hand helix configuration — standard for most vertical milling setups
• Bright, uncoated finish — no coating delamination risk on regrind
• Non-centercutting design — requires a pre-drilled hole or ramping entry for plunge operations
• 7/8-inch shank diameter matches mill diameter for direct collet or end mill holder mounting

Compatibility

Designed for use in standard end mill holders, collet chucks, or milling machine spindles accepting a 7/8-inch shank diameter. Suitable for manual knee mills and CNC vertical machining centers.

Installation Notes

Installation should be performed by a qualified machinist following shop safety procedures. Power down and lock out the spindle before mounting or removing the tool. Seat the shank fully into the holder and torque the set screw or collet nut per the toolholder manufacturer specification. Because this is a non-centercutting end mill, do not plunge directly into solid material without a pre-drilled entry point or programmed ramp path.