Stainless Steel Concealed Hinge SNJ-101 1. Hard,strong loading ability 2. Size: 51*80mm, ... customized 3. Durable,exquisite craft Stainless Steel Concealed Hinge SNJ-101, Door Hinge, Kitchen Hinge1. Material: Stainless Steel, optional 304 ... , boiler, bathtub, auto part, medical instruments, building materials, chemistry, food industry, agricultural, ships part.SUS304 heat treatment regime: Melting 1010 ...