IFI D5 Square Nuts *Standard:DIN557,ASIN,BS *Material:Carbon steel,stainless steel *Diameter:6mm-20mm,1/4"-7/8" IFI D5 Square NutsStandard:DIN557,ASIN,BSMaterial:Carbon steel,stainless steelDiameter:6mm20mm,1/4"-7/8"Thread:MM,UNC,UNF,BSWGrade:4,5,6,8,9,10,12 2H DHFinish:Plain,Zinc,Blank,Nickel,Chrome,H.D.GPacking:Carton,Box,Bag,Pallet