Hex nut 1)Specification:DIN 934 2)Finishing:ZP,HDG,Black ... 6,8,106)Service:OEM7)Company profile:Our main product are steel fasteners,for example,hex nut,flat washer,anchor bolt ... on. that we have own factory,.it's producing nut,washer,bolt and other fasteners.the products standard ranging from ... send us the drawings and specifications.8)Usage:Hexagon nut,the material is carbon steel,they can be used ...