Standard: DIN,ANSI,BS,GB Diameter:3mm~32mm,1/8"~1-3/4" thread:MM,UNC,UNF,BSW Grade: 6 / 8 Nylon thin hex nutsStandard:Accroding to customer'sMaterial:Carbon steel,stainless steelDiameter:6mm-100mm,1/4-4"Thread:MM,UNC,UNF,BSWGrade:4,5,6,8,9,10,12 Finish:Plain,Zinc,Blank,Nickel,Chrome,H.D.GPacking:Carton,Box,Bag,Pallet steel nylon insert lock nut