Initially insert the ball lock bolt over the fixturing element, then turn the knurled head for initial positioning.
It consists of three balls in the bolt shank that moves outward to lock against the bottom chamber of the table top, thus tightening the fixturing element with the table. After the positioning of the bolt tighten the head with a hex wrench of 8 mm.
Ball lock bolts are time savers,efficient and advanced way of holding components to the Cyclotron Welding Tables.