Our 3-Jaw Self Centering Chucks are available in two sizes, 2.5″ and 3.1″. They are available with 3/4-16 threads for use on Sherline machines. The smaller 2.5″ chucks are available with other spindle threads to fit machines made by other manufacturers, such as 12 mm x 1 mm and 14 mm x 1 mm for older Unimat lathes, or 1/2-20 for old 6″ Sears lathes.
Build Your Own Chuck
You can custom-build your own 3 or 4-jaw chuck. Choose from 2.5" or 3.1" body size and a variety of jaw options. For more information and technical specifications of the chucks or jaws themselves, please see their individual pages below
3-Jaw Self-Centering chucks 4-Jaw Self-Centering chucks 4-Jaw Independent chucks Various chuck jaws
Lead time for custom-built chucks is 4-5 business days.-
Select options
2.5″ 3-Jaw Chucks – Various Thread
Includes 2 tommy bars, not pictured
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Select options This product has multiple variants. The options may be chosen on the product page
3.1″ ER-16 3-Jaw Chuck
For use on the ER-16 headstock only
Not for use on the standard headstock that comes on all Sherline Machines
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