... BS 970:Part 1:S304 Stainless Steel5.Flange Connecting Bolts for AdaptersHexagon bolts,with Nuts and two washersBolts-to BS EN ISO898.1 ... .5 Class 150.Pipe NomPipe MaterialsOD Range (mm)Connection Bolts Type 80mmDuctile Iron,PVCu,Cast Iron,Steel,Cast Iron Met ... can be supplied as a complete package including Flange Connection Bolts,Nuts,and Gasket. ductile iron flanged ends adapter with stainless steel ...