Description
The 3/8" USS Flat Washer is a general-purpose washer designed for use with 3/8-inch diameter bolts, screws, and studs. Manufactured to United States Standard (USS) specifications, it features a moderately wide outer diameter and standard thickness—ideal for spreading load, preventing surface damage, and improving fastener performance in a broad range of applications.
Specifications:
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Inner Diameter (I.D.): 13/32"
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Outer Diameter (O.D.): 7/8"
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Thickness: 3/32" (nominal)
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Standard: USS (United States Standard)
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Material: Typically low carbon steel; available in stainless steel, brass, or specialty alloys
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Finish Options: Plain, zinc-plated, hot-dip galvanized, black oxide, or other corrosion-resistant coatings
Key Features:
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Moderate Load-Bearing Surface: Distributes fastener pressure across a wider area to protect substrates from damage or deformation.
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Clearance Fit for 3/8" Fasteners: Designed for ease of installation with standard bolt sizing and tolerances.
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USS Standard Tolerances: Offers a looser fit than SAE washers, making it well-suited for general-purpose or structural applications.
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Smooth, Flat Design: Provides consistent torque application and enhances clamping performance.
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Corrosion-Resistant Finish Options: Available in multiple coatings to suit indoor, outdoor, and industrial use environments.
Common Applications:
The 3/8" USS washer is widely used across various industries and projects, including:
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General mechanical and equipment assembly
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Structural framing and light steel fabrication
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Automotive, trailer, and utility hardware
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Agricultural and maintenance repair operations
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Furniture and fixture installation
