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Captive washer bolts

(214 products available)

About captive washer bolts

Exploring Captive Washer Bolts

Captive washer bolts are specialized fasteners designed to provide a secure hold with the added convenience of an attached washer. These bolts are integral in various industries, ensuring stability and precision in assemblies.

Types and Applications

Shoulder bolts, known for their unthreaded middle section, serve as pivot points in machinery, facilitating the movement of components such as gears and pulleys. Hanger bolts exhibit a dual-threaded design, making them ideal for connecting wood to metal, commonly in furniture construction. The versatility of hex bolts with their six-sided heads extends their use across numerous applications, from light fixtures to automotive assemblies, available in both partially and fully-threaded forms.

Features and Design

The design of captive washer bolts includes an integrated washer, which not only saves time during assembly but also ensures a reliable distribution of pressure when fastened. This feature is particularly beneficial in applications requiring a flush surface, as the washer provides a larger bearing surface area. The carriage bolt variant is recognized by its smooth, domed head and square section underneath, preventing the bolt from turning once installed, thus offering a secure fit primarily in woodworking.

Materials and Advantages

Constructed from a variety of materials such as stainless steel, carbon steel, and alloy steel, captive washer bolts cater to different environmental and load-bearing requirements. The material choice impacts the bolt's strength, corrosion resistance, and suitability for specific applications. For instance, stainless steel captive washer bolts are favored for their durability and resistance to rust, making them suitable for outdoor or humid environments.

Structural Support and Safety

For structural support, U-bolts are frequently employed to anchor piping systems, preventing movement and ensuring stability. Their curved shape and dual-threaded ends provide a secure grip, essential in both construction and plumbing sectors. Captive washer bolts also enhance safety by preventing the loosening of components, a critical factor in applications such as public infrastructure and furniture design.

Selection at Alibaba.com

Alibaba.com hosts a comprehensive array of captive washer bolts, catering to diverse industrial needs. The platform facilitates the connection between buyers and a multitude of suppliers, offering a variety of captive washer bolts to suit specific application requirements. Browse through the selection to find the appropriate type for your project needs.