These spindled
chuck back plates are made from steel and are 3 inches long.
Spindle end is
threaded either 1" x 8 tpi OR 1-1/2" x 8 tpi depending
on model.
Model DCB-011:
1" x 8 tpi / Model DCB-015: 1-1/2" x 8 tpi
The opposite end
has a precision machined 1.000+/-.002" inch stud, (1-1/2
inches long), to be held securely and very accurately in your
5C (or other type) collet chuck.
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