screw clamp fastener 1.material :galvanized iron steel 2.ISO 90001 high qulity ... .band width:8mm,12.7mm,14.2mm American type screw clamp fastenermaterial : galvanized iron steel , 201,304,301,stainless steel ectband ... -216101007mm1010010mm 181-254101007mm1010010mm 238-311101007mm1010010mmexport processcontact way stainless steel screw clamp fastener