... .com, main have self-drill screw , drywall screw , wood screw , slef tapping screw , machine screw , chipboard screw ... to enquiry more info ! Place of Origin:Zhejiang, China (Mainland)Brand Name:ZCStandard:DIN 7504KMaterial:Carbon SteelFinish:Blue Zinc ... : HEX WASHER HEADColor:Zinc WhitePacking:CartonItem:China FastenerApplication:BuildingPackaging Details:Small box, carton, pallet, nylon bag, for ...