Thread rod: 1>.Material: Carbon Steel,SS304,SS316; 2>.Size: M6-M20; 3>.Good Quality and Price; 4>.OEM Service Available; Thread rod:1>.Material: Carbon Steel,SS304,SS316;2>.Surface Treatment: Galvanized,Hot Dipped,Polished;3>.Size: M6-M20;1/4",3/8",1/2",5/16" and so on;4>.Good Quality and Price;5>.OEM Service Available; Thread Rod