Automobile and Motorcycle Cylinder Block GM Die Casting and Hardware Co., Ltd. Base Info Model NO.:GM-00257Standard:DIN, ANSI, GB, JIS, BSWMaterial:AluminiumConnection:WeldingSurface Treatment:Without TreatmentHead Type:RoundSpecification:20*20*20Origin:ChinaHS Code:0101101010 Description Pre:Customized Precision Automotive Aluminum Accessories Next:Low Carbon Steel Pan Head Cross Screw with Lower Price