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Longworth Chuck CNC Phenolic


Longworth Chuck CNC Phenolic
Now you can BUY a Longworth Chuck!


Price : Starting at $149.99

Product Options

Chuck Size:

Detailed Description

Longworth Chuck CNC Phenolic

Those interested in a Longworth chuck for their lathe would usually have to find a set of plans and try to build their own from scratch. Now you can get this high-quality, ready to use, Longworth Chuck fashioned from durable phenolic resin. The accurate CNC machining of this chuck ensures the phenolic disc plates rotate smoothly for adjusting the clamping diameter of the chuck.

The compressible silicon rubber buttons are non-marring and wont leave any scuff marks on your lathe turnings. A quick twist of the wing nuts locks the plates together and compresses the rubber buttons to finalize the grip on your work piece.

The Longworth Chuck has a steel mounting plate that fits in the jaws of your existing 4-jaw scroll chuck to hold the Longworth Chuck on your lathe. This eliminates the need to change chucks or to switch out jaws and/or move buttons.

Chuck size refers to the diameter of the maximum swing of lathes the chuck will fit. The actual phenolic disks are slightly smaller. (A 16" chuck is about 15-3/4" in diameter and will fit any lathe with a 16" or larger swing.) External gripping capacity of the chuck is approximately 2" smaller than the nominal size of the chuck.

The Longworth Chuck is available from us in 6 different diameters: 10", 12", 14", 16", 20" and 24", with 16" being the most popular.

Rubber buttons are 1" tall.

The maximum safe operating speed of the Longworth Chuck is 600 RPM


You must have a 4 jaw scroll chuck to mount the Longworth Chuck to your lathe.



Important Mounting Information

10", 12", 14" and 16" Longworth chucks have a 2-1/4" diameter x 3/8" thick mounting plate. It fits the standard jaws on most chucks (#2 Oneway chuck jaws, 50mm Nova chuck jaws, at least 2-1/4" outside gripping capacity).

20" and 24" Longworth chucks have a 4-1/4" diameter x 3/8" thick mounting plate. It works on chucks with 4" capacity jaws (#3 Oneway chuck jaws, 130mm Nova chuck jaws, at least 4-1/4" outside gripping capacity).


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