Value Collection 219-3012 End Mill Holder 3MT Taper

Product Description

The VALUE COLLECTION 219-3012 is a taper-shank end mill holder designed for use in milling machine spindles that accept a 3MT (Morse Taper No. 3) shank. The holder accepts end mills with a 3/16-inch shank diameter and provides a projection of 1.063 inches from the spindle face to the tool seat. This straightforward, solid-body holder transfers rotational force directly from the spindle to the cutter without through-coolant passages, making it a dependable choice for general-purpose milling operations. Machinists and toolroom technicians working with manual knee mills or older-style vertical machining centers will find this holder compatible with standard 3MT spindles.

This end mill holder is suited for light to medium-duty milling work on manual mills equipped with a 3MT spindle taper. Typical applications include slotting, profiling, and peripheral milling using solid-carbide or high-speed steel end mills with a 3/16-inch shank. The 1.063-inch projection keeps tooling close to the spindle for improved rigidity. No through-coolant capability means flood or mist coolant must be directed externally at the cut zone.

Key Features

• 3MT (Morse Taper No. 3) taper shank for direct spindle mounting
• Accepts 3/16-inch shank end mills
• 1.063-inch projection for close-coupled, rigid tool setup
• No through-coolant — external coolant application required
• Solid-body construction for straightforward installation and removal

Compatibility

Designed for milling machine spindles with a 3MT (Morse Taper No. 3) bore, accepting end mills with a 3/16-inch straight shank.

Installation Notes

Installation and removal should be performed by a qualified machinist with the machine powered down and the spindle locked. A drawbar or drift and mallet appropriate for the 3MT taper should be used to seat and release the holder; never strike the spindle housing directly. Verify the taper bore and holder shank are clean and free of chips or burrs before seating to ensure proper contact and runout. Follow the machine manufacturer guidelines for drawbar torque and spindle engagement.