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Wing Nuts

wingnut or a butterfly nut consists of two large metal “wings”, one on each side. These wings are applied for easy tightening and loosening using hands, without using tools. 


Wingnuts were used in the bicycle wheels for easy tightening and loosening for its maintenance. It is still used in drums for the tightening and loosening of the suspended cymbal.


 The benefit of wing nut is its more ergonomic design that has two tabs that look like wings. It makes it easier to install and remove. 


Wingnuts are also available in several types as classified by the American Society for Mechanical Engineers (ASME). Type A wing nuts, for instance, are cold-forged. Type B wing nuts, on the other hand, are hot-forged. There are also Type C wing nuts that are die-casted, as well as Type D wing nuts that are made via metal stamping.