Weld nut usually use in commercial residential buildings, metro stations, railway stations, airports, kinds of transportation tunnels, oil depots, etc. We offer various nuts in standard and customized specifications, including knurled nuts, hex nuts, lock nuts, flange nuts, K nuts, blind nuts, weld nuts and rivet nuts. Besides, we pass ISO9001 and IATF16949. The quality is superior to most products on the market.