fastener threaded rod manufacturer for threaded rod hot galvanized ,have 4.8 & 8.8 degree, also 5. ... , G8.8, B7the standard of our products is DIN, ANSI, GB and BSW, UNF,UNC also we can product unstandard items ... /2B7 1/2-13----3 1/4-8 fastener threaded rod