สกรูเหล็ก M4x5 ชุบทองแดงสำหรับโคมไฟที่มีความแข็งแรงต่อแรงดึงสูง

Product Description This M4x5 iron screw with a pure copper electroplated finish is engineered for the specific demands of high-end lighting fixtures. It seamlessly combines the high tensile strength of an iron core with the superior electrical conductivity and aesthetic appeal of a copper surface. This screw is ideal for creating secure electrical ground connections and achieving a cohesive, premium look in brass or copper lamp assemblies. Product Quick Details Material: