5/16" x 5/16" Stud Dia. Copper Collet, Pro Weld, Mfr#: CDB-031

Collet, Collet Type B Collet, For Maximum Stud Length 1 1/4 in, For Stud Diameter 0.3125 in, Stud Welding Process Capacitive Discharge, For Welder Series CD-212, CD-312, CD-512, ProWeld CD Welders, Overall Diameter 3/8 in, Overall Length 1 3/8 in, Welding Processes Stud Welding, Thread Size 0.3125 in, For Minimum Stud Length 1/4 in, For Use With B Stops, Pro Weld Style CD Stud Welding Equipment, Material Copper