Wing nut is a type of nut with two large metal "wings", one on each side, so it can be easily tightened and loosened by hand without tools. They can be used with or without washer. Wing nut is used where frequent adjustment is necessary which require no more than a finger pressure
Example: boats and bicycles. Electrical Enclouser.
Steel Grades: 4.6, 8.8, 10.9, 12.9
All measurements are in mm