air-conditioning units or canopies, where you need to dissemble and reassemble the item along the same threadsPlace of Origin:Zhejiang, China (Mainland)Brand Name:ZCStandard:DIN Material:Carbon SteelFinish:Blue Zinc PlateSurface treatment:Heat TreatingType: HEX FLANGE HEADColor:Zinc WhitePacking:CartonItem:China FastenerApplication:BuildingPackaging Details:Small box, carton, pallet, nylon bag, for self drilling screwProduct Descripion1. Grade: C10222. Size: ST4.8, ST5.5,ST6.33. Length：13-120m