- Machine screw are made of copper, with smooth edges, products are easy to use and durable. - Screw kit Including screws, washers and nuts.Multiple sizes for easy use. - Widely used in 3D printing equipment, communication equipment, power facilities, electronic products, etc. ProductSiteLaunchDate : 2023-11-19T13:25:22.982Z SafetyDataSheetUrl : https://ace.infotrac.net/getmsds.aspx?SKU=5325139 Size : M3 SupplierDeclaredDgHzRegulation : not_applicable UnitCount : 1 UnspscCode : 31161500