Jina la bidhaa DIN6914/A325/A490 bolt ya miundo ya hex nzito
DIN ya kawaida,ASTM/ANSI JIS EN ISO,AS,GB
Daraja la Chuma: DIN: Gr.8S 10S,A325,A490,A325M,A490M DIN6914
Kumaliza ZP,Hop Dip Iliyotiwa Mabati(HDG),Oksidi Nyeusi,