Precision Casting Aluminum Die Casting Motor Shaft End Cover GM Die Casting and Hardware Co., Ltd. Base Info Model NO.:GM-0030133Standard:DIN, ANSI, GB, JIS, BSWMaterial:AluminiumConnection:WeldingSurface Treatment:Without TreatmentHead Type:RoundSpecification:20*20*20Origin:ChinaHS Code:0101101010 Description Pre:Widely-Used Flat Head Socket Bolts Next:Hot DIP Galvanized Photovoltaic Channel Nut with Plastic Wing