Fractional Sizes of USS Washers with Hot-Dipped Galvanized Finish
Low Carbon USS Flat Washers with Hot Dipped Galvanized Protection
Low carbon USS (United States Standard) flat washers are critical fastening components designed to evenly distribute the load from bolts, nuts, and screws. By spreading pressure across a larger surface area, these washers help prevent surface deformation, reduce pull-through, and improve overall joint integrity. Manufactured from low-carbon steel and finished with Hot Dipped Galvanized (HDG) coating, these washers deliver both strength and superior corrosion resistance for demanding applications.
What Are Low Carbon USS Flat Washers?
USS Dimensional Standards
Low carbon USS flat washers are produced to United States Standard specifications, which feature a larger outside diameter than SAE washers. This increased bearing surface makes them especially effective for structural fastening, oversized holes, and softer materials such as wood or composites.
Low Carbon Steel Construction
Made from mild steel with low carbon content, these washers offer excellent flexibility and toughness. Their malleability allows them to conform slightly under load, helping protect mating surfaces while maintaining consistent clamping force in bolted assemblies.
Fractional Sizes for Versatile Applications
Common Fractional Size Range
Low carbon USS flat washers are available in a full range of fractional sizes, including 1/4", 3/8", 1/2", 5/8", 3/4", and 1". These sizes are engineered to match standard bolt and nut dimensions for reliable fit and performance.
Reliable Load Distribution
The larger USS profile enhances load distribution, reducing stress concentration and extending the life of both the fastener and the connected materials.
Hot Dipped Galvanized Plating Benefits
Superior Corrosion Resistance
Hot Dipped Galvanized plating involves immersing the washer in molten zinc, creating a thick, durable protective coating. This zinc layer shields the washer from rust, moisture, and chemical exposure, making it ideal for outdoor and high-humidity environments.
Long-Term Durability
HDG washers are designed to withstand extreme weather, treated lumber, and industrial exposure, ensuring long service life even in harsh conditions.
Common Applications
Low carbon USS flat washers with Hot Dipped Galvanized finish are widely used in outdoor construction, structural assemblies, automotive equipment, agricultural machinery, and industrial installations.
With dependable load distribution, flexible steel construction, and robust corrosion protection, low carbon USS flat washers with Hot Dipped Galvanized plating deliver long-lasting performance in the most demanding fastening environments.