Chuck Mounted 3/8" Mandrel - EWTThe Chuck Mounted 3 8" Mandrel is used to mount small project turnings without removing your chuck from your lathe. This mandrel is used for small project turnings such as bottle stoppers and small handles to be paired with a variety of project kits and components. It features a 3 8 x 16 TPI thread with a fluted tip, for self tapping, or can be used with correct sized threaded inserts. It is made of nickel plated hardened steel for superior strength