1)Standard:DIN478,DIN479,DIN480,ASME B18.2.1,JIS B 1182- ... : Carbon Steel,bronze,stainless steel(304,316),etc 3 1)Standard:DIN478,DIN479,DIN480,ASME B18.2.1,JIS B 1182 ... )Strength Grade:4.8,5.8,6.8,8.8,10.9,12.94)Size:All sizes are available5)Finish:Plain,Zinc ...