ASTM A563 DH HEAVY HEX NUT *Standard:DIN,ASIN,BS *Material:Carbon steel,stainless steel *Diameter:3mm-100mm,1/8"-4" ASTM A563 DH HEAVY HEX NUTSStandard:DIN,ASIN,BSMaterial:Carbon steel,stainless steelDiameter:3mm-100mm,1/8"-4"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