... :M2-M50 Material:Steel Brass Product Specification:Product Name:countersunk head rivetStandard:DINOther standards:GB,DIN,JISB,ISO,ANSI/ASME,Non ... washers,Screw,Tapping ScrewMicro-precision screw,Circlips ,Thread rods,Studs,Rivets and so on.Test EquipmentsMetallography Microscope/Salt Spray Device/Tensile ...