... ,Standard:Steel Lock Hexagonal Nut with Nylon Insert, Square Weld Nut (DIN928) Square Nut(DIN562) Square Nut (DIN557),Hexagonal Weld Nut (DIN929) Hexagonal Thin Nut (DIN439) ... (DIN6923)Hexagonal Coupling Nut (DIN6334) DIN1587,DIN934,DIN555,ISO4032, HEXAGON NUTS,MATERIAL:MILD STEEL;2,SIZE:M6,M8,M12,M14,M16,M18,M20,M22 ... ,wood box,small box,plastic box,metal box Steel Lock Hexagonal Nut with Nylon Insert