... steel and high tensile strength China Low carbon steel Washer : sizesM3 and upfeatureslow carton,high tensile,stailessstandardDIN,ANSI, ... BSW,AS,JS,ISO,ETC.stypeflat washer and spring washerfinishbright,zinc plated,hot-dip galvanized,mechanical ... Tools and MachineriesAutomotiveMedical EquipmentsMilitaryTelecommunications China Low carbon steel Washer