Promax 101-01224 Roughing End Mill 3/16 in 3 Flute Carbide

Product Description

The PROMAX 101-01224 is a single-end roughing end mill engineered for aggressive material removal in milling applications. Built from solid micrograin carbide and coated with AlTiN (aluminum titanium nitride), it handles high-heat cutting environments where tool life and edge retention matter. The 3-flute, fine-pitch geometry with a high helix angle of 40 degrees promotes efficient chip evacuation while reducing chatter on roughing passes. At 0.1875 inches in diameter with a 0.375-inch length of cut and 2-inch overall length, this tool is sized for tight-tolerance work in smaller bores and stepped features. Centercutting capability allows plunge entry without a pre-drilled pilot hole.

This end mill is suited for use in CNC machining centers and manual milling machines where roughing cuts are performed on ferrous and non-ferrous metals, stainless steels, titanium, and similar hard materials. The AlTiN coating makes it a practical choice for dry or minimal-lubrication cutting conditions at elevated spindle speeds. Machinists and tool-and-die professionals working with smaller-diameter tooling in precision shops will find it applicable to slotting, profiling, and pocket roughing operations.

Key Features

• Solid micrograin carbide construction for edge stability and wear resistance
• AlTiN coating provides thermal protection in high-speed and dry cutting conditions
• 40-degree high helix angle promotes efficient chip evacuation during roughing
• Fine-pitch, 3-flute design reduces vibration and chatter on aggressive cuts
• Centercutting geometry allows direct plunge entry without a pilot hole
• Right-hand cutting and right-hand flute direction for standard spindle use

Compatibility

Designed as an OEM-style roughing end mill for use in standard 3/16-inch collet or end mill holders on CNC machining centers and manual knee mills.

Installation Notes

Installation and tool changes must be performed with the machine powered down and the spindle fully stopped. Seat the shank fully into the collet or end mill holder and torque the retention hardware per the holder manufacturer's specification. Verify runout with a dial indicator before engaging the cut. This tool is intended for use by qualified machinists familiar with speeds, feeds, and depth-of-cut parameters appropriate to the workpiece material.