... : DIN939 Size:M4-M50 Material:Steel Product Specification:Product Name: Double ended studs (bm=2d)Standard:DIN939Other standards:GB,DIN,JISB ... ,Prompt shipment (LBP) Full Fastener Solution ProviderOther products:Bolt,Screw,Pins,Washers with washers,Screw,Tapping ScrewMicro-precision screw,Circlips ,Thread ...