Aluminum Casting Alloy OEM Factory Base Your Design GM Die Casting and Hardware Co., Ltd. Base Info Model NO.:GM-1053Standard:DIN, ANSI, GB, JIS, BSWMaterial:AluminiumConnection:MaleSurface Treatment:PhosphideHead Type:RoundTrademark:GMSpecification:20*20*20Origin:Ningbo, ChinaHS Code:761090 Description Pre:Aluminum Pressure Die Cast Casting Foundry and Mold Design Next:Stainless Steel 316 304 M8 Square Nuts DIN557