... quality and best price Products of Welding,Metal Stamping ProductsStainless Steel Door Hinge Size: 4.0"x3.5"x2.5mm 4.0 ... : SS, PB, AB, AC, PVD, etc.Material - stainless steel,carbon steel,hot rolled steel , copper, iron,etc.Making process--Punching,stamping,bending,welding,rivetingSurface ...