DIN933 Hexagon head bolts(hex bolts) 1.Material:Stainless steel A2,A4,18-8 steel 2.Standard:DIN/ASME/EN/IFI 3.size:M4 ... (LBP)Full Fastener Solution ProviderOther products: Bolt,Screw,Pins,Washers with washers,Screw,Tapping ScrewMicro-precision screw,Circlips ,Thread rods,Studs,Rivets and so ... wrench/Go-No go gage and so on. Main Product stainless steel Hex bolt