3/8" x 1-1/2" Flat Plate Washer

3/8" Fender Washers – Heavy-Duty Load Distribution Hardware

The 3/8" fender washer is designed to provide reinforced load distribution for fastening applications where additional bearing surface is required. Manufactured from steel and finished with zinc plating, these washers deliver durability and corrosion resistance for mechanical, structural, and general construction use.

Application

Fender washers are commonly used in plumbing, HVAC, electrical, and general construction projects. Their wide outside diameter helps protect softer materials from pull-through while providing stability in bolted connections. These washers are suitable for both wood and metal substrates where additional support is required around bolt heads or nuts.

Performance Characteristics

• Nominal Size: 3/8 inch
• Outside Diameter: 1-1/2 inches
• Material: Carbon steel with zinc-plated finish for corrosion resistance
• Thickness: Standard duty
• Compliance: Meets ASME B18.22.1 dimensional standards

Installation Guidelines

Install washers in conjunction with bolts or threaded fasteners to evenly distribute loads. Ensure contact surfaces are clean and dry prior to installation. Tighten bolts or nuts to torque specifications required for the application. For critical assemblies, follow project engineering requirements or applicable construction codes.

Advantages

• Enhanced Load Distribution: Wide bearing surface prevents damage to base materials.
• Corrosion Resistance: Zinc-plated finish extends service life in standard environments.
• Versatile Application: Suitable for plumbing supports, framing, HVAC equipment fastening, and general hardware use.
• Code-Compliant: Produced in accordance with ASME dimensional requirements.

The 3/8" fender washer provides contractors with a dependable fastener accessory for reinforced connections. Its large surface area, durable steel construction, and corrosion-resistant finish make it a reliable choice for heavy-duty applications across multiple trades.