... DIN,GB,ASME,BSW,ISO 3.Material can be brass,stainless steel,aluminum Specifications1. Item# JL-SCR-045 ... Size: 2.5*1.4cm3. JL-SCR-045 ScrewMaterialIron, Brass, Carton steel, Stainless steel, Alloy steelSurface TreatmentChrome plating, ... are wildly used in cameras, glasses, timekeepers, televisions, musical instruments, furniture, electronic equipments, projects, constructions, Bridges, traffic ...