1)nut and bolt 2>Grade: Q235,202,304,316L 3>Finish: Zinc Plated ... .5-3.0mm 5>Size:41*41mm,41*25mm NIut and bolt:Specifications:Material:35# 45# steel.40Cr.35Crmo. Finish:Black or ... bolt , T bolt, carriage bolt(DIN603), threaded rod(DIN975), anchor bolt(DIN529,IFI136, GB/T799), square head bolts, expansion bolt(ANSI,BS,DIN), eye bolt (DIN444) and ...