Universal Aluminum Weld Bung Intercooler Radiator Bracket Mount 20pc Aluminum Weld on bung for Intercoolers, Radiators, Brackets 3/4" OD Diameter, 0.6" Height Threaded with M8 x1.25(Screw NOT Included) These weld bungs are ideal for use with intercoolers, fuel cells, radiators, oil pans, custom tank fabrication, or any Aluminum Projects. We also have different QTY sets, check our other listing