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Also known as wing screws and thumbscrews, wing bolts are a common type of bolt and screw system that is distinguished by the wing-shaped head of the bolt. These protruding side wings are especially helpful when a bolt needs to be tightened and loosened frequently, or removed and replaced quickly. Their popularity is strengthened by the fact that it is not necessary to use tools with wing bolts; they can be tightened and loosened by hand.

Typically made of zinc, stainless steel, or plated steel, wing bolts come in a variety of sizes and have a variety of uses, although they are most often seen applied with regard to boats and other marine vessels. Due to the often choppy nature of waves, using tools on a sea-faring vessel can be difficult and cumbersome. The ability to remove wing bolts by hand means that no matter the weather or water conditions, the bolt can quickly be replaced or tightened. There are, however, concerns of corrosion and possible breakage of the side wings on the nut. Many wing bolts are also designed with a hexagonal head so that if the wings break, the bolt can also be tightened or removed with a wrench.

Wing bolts can be purchased from hardware stores and online. For additional information on wing bolts, please reference Business.com.

Wing Bolts

Find sellers of stamped, automotive, nylon and metal wing nut fasteners

Wing bolts and nuts are useful in the automobile industry, marine, hobby and many devices or components—and with good reason. The two wings of the nut allows easy turning with the forefinger and thumb. This leveraging maintains tight fits and quick removal.

Wing nut sizing is by nominal size, basic thread diameter, threads per inch, wing spread, height thickness, distance between wings, boss diameter and boss height. Many companies simplify the matter. For example, a 6-32 wing nut means its nominal size equals 6 (diameter of thread 0.1380) and 32 equals the number of threads per inch. On the other hand, 1/4-20 designates a diameter of 0.2500 with 20 threads per inch. Wing bolts typically measure by length and threads. When buying wing nut fasteners consider the following:

1. Look closely at the wing nut fastener’s size specifications because some companies provide more information than others do.

2. Choose different metals or nylon based on environmental or aesthetic factors.

3. Select wing bolts for specific applications.

Find stamped wing nuts with tiered discounts

These companies fill small and large orders for popular wing nuts.

Select automotive wing bolts for easy changing

Applications for these wing nut bolts include valve covers and air intake systems.

Locate nylon wing bolts for flexibility

Hobbyists often need a nylon wing bolt. It is lightweight and its non-corrosiveness ranks high for many applications.

Choose a wing fastener by composition

Select from a wide variety of wing nut sizes in brass, forged steel, zinc and nylon.
  • Stainless steel wing nut bolts remain popular for exterior applications, especially marine, due to its corrosive resistance. Zinc provides reasonable protection against rust.
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