... ”Length4mm-300mm, 1/8”-12”ThreadMetric, UNC, UNF, BSWFinishPlain, Galvanized, Blank, Nickel, Chrome, H.D.GPackingCarton, Box, Bag, Pallet OEM or ... :+8618254275687Address (qingdao Office):NO.2,Tariff-freeZone,Qingdao,Shandong,China. metal bolts and nuts