stainless steel din128 spring washers 1.size M2-M100 2.standard:DIN128, non-standard ... 3.material: SUS304,SUS316 4.Black Oxide stainless steel din128 spring washers 1. Standards1. ISO, DIN, AS/NZS, GB, ANSI and ... to aerospace, energy source, electronics, machinery, chemical, military projects, metallurgy, die assembly, hydraulic and automobile industries. We have passed ISO9001 and ...