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The VALUE COLLECTION SC00186239 is a Morse taper extension adapter used to connect tooling with an MT2 inside taper socket to a machine spindle or sleeve with an MT3 outside taper. The adapter extends reach in the tooling stack without requiring a full tool change or spindle swap. It is constructed from medium carbon steel with a soft body and hardened tang, giving the shank impact resistance during drawbar seating and removal. Overall length is 7-5/8 inches. Machinists, tool-and-die technicians, and CNC setup techs install this type of adapter in lathes, drill presses, and milling machines where taper size mismatches must be bridged.
This adapter is suited for metal-working environments that run a mix of MT2 and MT3 tooling across multiple machines or spindle sizes. It is a direct fit where the machine spindle accepts an MT3 external taper and the tool shank is MT2. Common install scenarios include drill press quills, lathe tailstocks, and vertical mill spindles configured for MT3. The 7-5/8-inch overall length provides additional reach for deep-bore or extended-reach applications where a standard-length adapter would not clear the workpiece fixture.
Designed as an OEM-style replacement or supplemental adapter for machine tool spindles and tailstocks accepting an MT3 outside taper with a need to run MT2 tooling.
Installation and removal should be performed by a qualified machinist or tool-room technician. Power down and lock out the machine spindle before seating or removing the adapter. Use a proper drift key through the spindle slot to drive out the adapter tang — never strike the tool or adapter body directly with a hammer. Ensure the taper surfaces are clean and free of chips, oil, or burrs before seating to prevent fretting and maintain accurate tool alignment.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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