... .Standard:DIN,JIS,ANSI 3Material:Carbon steel.Stainless steel Professional supply stainless steel fasteners1.Nuts: Hex nut(DIN934,ISO4032,DIN439,DIN936 ... , ANSI, BS and the un-standard as well, we can supply Hex head bolts, hex nuts, nylon lock nuts, screws, tapping ... need more information, please contact our sales deparment or send E-mail to us.Thanks! Welcome your inquiry!!!WENZHOU HOWLS FOREIGN ...