This is the datum ball fixing stud #A-1034-0354. It has a 5/16 – 18 UNC thread size. A fixing stud is required with each datum ball kit to attach the pillar to the table surface. 5/16″ threaded inserts are used to mount Renishaw datum sphere kits to the CMM bed. This product is specifically designed to fit the Renishaw datum ball base.
The previous part number for this product is: M-1034-0018