Hex nut 1)Specification:DIN 934 2)Size:M3-M56 3) ... be made as Carbon steel,Stainless steel,and Brass.4)Special nuts can be supplied according to customers'drawings or samples ... profile:Our main product are steel fasteners,for example,hex nut,flat washer,anchor bolt and so on. that we ... have our own factory,it's producing nut,washer,bolt and other fasteners,the products standard include German ...