... enterprise ,Hose clamp products including:Various of Worm Drive hose clamps (American type ,Germany type ,British type,heavy duty type ... ,steel wire typeand T Bolt Clamps,Exhaust Clamps,Muffler Clamps,and so on),DWV pipe CouplingsOur Hose clamps meet using:Air hose Hydraulic ... with M8+M10 nut Material:W1-all galvanized carbon steel W2-the screw is galvanized steel, others are 203ss/301ss/304ss/430ss ...