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What is Wing Nut? Features, Function, Uses and Dimensions

Nuts are one of the most commonly used types of fasteners. A wing-nut is a type of nut with two big metal wings that may be tightened or loosened manually. “Butterfly Nuts” is another name for wing nuts. Wing nuts are made of a metal piece having a threaded hole in it. They are used to secure two or more components together when used in conjunction with a wing bolt or wing screw. To assemble, insert the wing bolt through the objects, then insert a wing nut on the end of the bolt and tighten it by rotating it. Wing nut standards are provided by ASME B18.17 or DIN 315.

Features of Wing Nuts

  • The metal wings characterize this special type. They were given their name due to the presence of flaps or wings.
  • Usually, they are of hexagonal shape.
  • Wing nuts have internal threads to engage with a bolt.

Functioning of Wing Nuts

Wing nuts function similarly to other nuts. The important job of holding two or more objects together is done when the nut and bolt are joined. The fundamental advantage of wing nuts is their ease of installation and disassembly. The existence of wings in Wing nuts allows operators to easily grab and tighten them. Wing nuts protrude 180 degrees from an integrated circular base with a flat bearing surface.

Materials Used for Making Wing Nuts

Wing nuts may be made from a variety of materials. Stainless steel, copper, brass, aluminum, plastic, steel, and other ferrous alloys are some of the most popular materials. To improve corrosion resistance, their surfaces could be coated with a zinc layer.

Dimensions of Wing Nuts

The size of a wing nut is determined by the nominal thread diameter. The most common sizes vary from #6 to 3/4′′. Sizes less than 1/4′′ are described as a number size, whereas sizes 1/4′′ and larger are specified in inches, usually in fractions rather than decimals. Not all sizes are available for all types. Their sizes vary depending on the wing nut’s dimensions.

Wing Nuts Application

Wing nuts are appropriate for objects that require frequent assembly and disassembly. Wing nuts are typically utilized for uses involving less torque since they are hand-turned without the use of a tool. Wing nuts can be standard or metric threaded, depending on the application. Wing nuts are commonly used in the following applications:

  • Drum kits
  • Boat accessories
  • Car batteries
  • Furniture
  • Bicycle wheels

Benefits of Wing Nuts

Wing nuts offer several benefits, including:

  • Easy installation and removal.
  • Tightening requires less torque.
  • Easy hand tightening without the need for a tool
  • It does not usually need heat treatment.
  • Wing nuts are suitable for use with or without washers.

Limitations of Wing Nuts

However, there are a few drawbacks of wing nuts. Some of the disadvantages are:

  • Not suitable for vibrating applications.
  • Not suitable for heavy load applications.

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