This G3 Chuck is direct threaded for 1"x8 and features a set screw for locking it on the spindle of the Delta 46-460 Lathe. The locking screw should only be used on lathes designed to accept a locking screw. Using a set screw on lathes that are not designed for it can damage the spindle.
Available direct threaded for 1" x 8 only.
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