Thread Rod Series
National Standard: GB/T897; GB/T898; GB/T899; GB/T900;
GB/T901; GB/T15389
Germany Standard: DIN975
Britain Standard: B.S; B.S.W
American Standard: ANSI, ASME
Grade4.8:Q195; Q235
Grade8.8: SWRCH35K; SWRCH38K; ML35; ML40
Stainless Steel:304; 304M; 304B; 304HC; 304L; 316; 316L, etc.
Zinc、 Yellow Zinc、 Hot Dipped Galvanizing、 Black Oxide