... : Zinc, Plain, Black, HDG 3.material:stainless steelscrew terminal:Features for this item:1. material: carbon steel2.head: phillips cheese head3 ... .function:to connect the electic partsFeatures for all our products:1.Standard: GB BSW, JIS, ANSI,DIN ... first-class quality and reasonable price, we can provide various screw .Pls feel free to contact us if any question! carbon ...