Screws with Captured Washer

Advantages and Applications of Screws with Washers

A screw with a washer is a fastener consisting of a screw and a washer, usually made of the same material. The washer is placed under the screw head to increase the surface area between the screw and the material being fastened, providing a tighter grip and better distribution of clamping force.

Advantages of Screws with Washers

• Stronger grip: The washer increases the surface area between the screw and the material, providing a tighter grip and reducing the likelihood of loosening.
• Reduced wear: The washer reduces friction between the screw head and the material, minimizing wear on both components.
• Distributes clamping force: The washer disperses the clamping force, reducing the risk of denting or cracking the material being fastened.
• Prevents leakage: In some cases, the washer may have water or chemical resistance properties, preventing leaks.

Materials Used for Screws and Washers

• Carbon steel: The most common material due to its strength and affordability.
• Stainless steel: Corrosion-resistant, ideal for humid or chemical environments.
• Aluminum: Lightweight and corrosion-resistant, suitable for applications where weight is a concern.
• Brass: Offers moderate strength, corrosion resistance, and an attractive appearance.

Screws with washers are versatile fasteners used in a wide range of applications due to their superior grip, durability, and ability to distribute clamping force evenly. They are commonly used in construction, manufacturing, and assembly processes.

Misumi offers a wide variety of screws with washers in different sizes, materials, and thread types to meet your specific needs. Explore our selection of screws and bolts to find the perfect fasteners for your project.