Heavy-Duty Carriage Bolts | Anti-Corrosion & Custom Sizes

Carriage nuts are an essential component that works in conjunction with carriage bolts to create a secure and reliable fastening system. These nuts are specifically designed to fit the square - shaped shoulder under the head of carriage bolts, preventing the bolt from rotating when tightened and ensuring a stable connection. Carriage nuts are typically made of metal, such as steel or stainless steel, and are available in various finishes to match the appearance of the carriage bolts and the application. The most common finish is zinc - plated, which provides a layer of corrosion resistance, making the nuts suitable for indoor and some outdoor applications. Stainless steel carriage nuts offer superior corrosion resistance, making them ideal for use in harsh environments, such as marine or coastal areas. One of the main advantages of using carriage nuts is their ability to create a flush and neat appearance when installed. The square - shaped design of the nut fits snugly against the square shoulder of the carriage bolt, leaving a smooth surface that is aesthetically pleasing. This is particularly important in applications where the fastener will be visible, such as in furniture assembly or decorative woodworking projects. Carriage nuts are also easy to install and remove. To install, simply place the nut on the threaded end of the carriage bolt and tighten it using a wrench or socket set. The square - shaped design ensures that the nut stays in place during tightening, preventing it from spinning. When removing the carriage bolt, the nut can be easily loosened and taken off. When selecting carriage nuts, it is important to choose the right size and material to match the carriage bolt and the application. The size of the nut should be compatible with the diameter of the carriage bolt, and the material should be appropriate for the environmental conditions. If you need more information about carriage nuts or would like assistance in selecting the right ones for your project, please contact us.