Stud Welder, Duty Cycle #10 16/min, #4 24/min, #6 24/min, #8 16/min, 1/4 in 12/min, 12 ga 24/min, 5/16 in 12/min, For Maximum Material Thickness 3/8 in, For Minimum Material Thickness 12 ga, For Material Type Aluminum, Brass, Copper, Galvanized, Stainless Steel, Steel, Zinc Coated, Input Voltage 110 V AC, Phase Single-Phase, Rated Output Range 45V DC to 185V DC, Stud Welding Process Capacitive Discharge, Weld Rate 24 per minute, Series CD-312, Welding Processes Stud Welding