Standard:DIN975,ANSI,GB Material:Carbon steel,stainless steel Size:m3- ... :from1m to 4m5.grade: 4.8,5.8,8.8,10.9,12.9 6.surface: black,zinc plated,hot dip galvanized etcThreaded ... rods.Main Product: Threaded Rod.Material: Carbon Steel, Stainless Steel..Standard: DIN975, ANSI ,BSW, GB. Gr 4.8-8.8.B7 ... /2.1M-4M..grade: 4.8,5.8,8.8,10.9,12.9 .Surface Treatment: Z.P. PLAIN, BLACK,HDG..Our capacity ...