1.sheet metal fastener 2.material: brass, stainless steel,etc 3.size: per customer's drawing 4.finish: zinc, nickel, chromed 1.sheet metal fasteners, fasteners, spacers2.Material: Brass,Stainless steel/aluminum/carbon steel, etc3.Finish: zinc, nickel, chrome plated, etc4.thread: M3, 3.5M3, M3,M4,M5 4-40, 6-32, 8-32, 032Length: 6~25mm, 0.312~1.062"5.fine quality and good price.6.detail, please ...