... EN-GJS-450-103.BoltsTo BS EN ISO 898:1:1999 Grade4.NutsTo BS 970:Part 1:S304 Stainless Steel5. ... (mm)Connection Bolts Type 80mmDuctile Iron,PVCu,Cast Iron,Steel,Cast Iron Met&Imp AC88.1-102.4M16*603" ... .1-235.0M20*908"250mmDuctile Iron,PVCu,Cast Iron,Steel,Cast Iron Met&Imp AC272.0-289.0M24*8010 ... "300mmDuctile Iron,PVCu,Cast Iron,Steel,Cast Iron Met&Imp AC322.9-339.4M24*80Flanged ...