1)Standard:DIN478,DIN479,DIN480,ASME B18.2.1,JIS B 1182-1995,BS 2)Material: Carbon Steel,bronze,stainless steel(304,316),etc Material:Mild Steel,Carbon Steel,SUS304,SUS316,Alloy Steel,etc.Standard:DIN, ISO,ASTM, ,BS,GB,JISSize:All sizes are availableFinish:Plain,Black,Zinc Plated,H.D.G,Dacromet,Cr3+ Zinc PlatedPacking:Carton/Pallet T head Bolt with Neck