Din975 ZINC PLATED THREADED ROD 1. MATERIAL: CARTON STEEL 2. FINISH: ZINC, S.S. STEEL 3/ LENGTH:1000-3000MM Din975 ZINC PLATED THREADED ROD GRADE 4.8,8.8Product description,GR4.8 ,8.8standarda din 571,ansisize m4-m42martial ,carton steelfinish ,plain,zinc,blackwe can supply thread bar,thread rod ,thread stud ,stainless steel thread bar,thread bolt,din 975 thred rod and so on .