Description
The 7/16" USS Flat Washer is a general-purpose washer designed for use with 7/16-inch diameter bolts, screws, and studs. Manufactured to United States Standard (USS) specifications, this washer features a broad outer diameter and moderate thickness, making it well-suited for distributing clamping force and protecting surfaces in structural, mechanical, and general fastening applications.
Specifications:
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Inner Diameter (I.D.): 15/32"
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Outer Diameter (O.D.): 1"
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Thickness: 7/64" (nominal)
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Standard: USS (United States Standard)
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Material: Typically low carbon steel; also offered 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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Reliable Load Spreading: Wide outer diameter reduces surface stress and prevents damage during tightening, especially on softer materials.
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Sized for 7/16" Fasteners: Clearance hole allows for easy alignment and installation while maintaining structural reliability.
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USS Fit Profile: Offers a looser fit than SAE washers, ideal for applications where ease of assembly and slight alignment variance are acceptable.
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Smooth Flat Surface: Promotes consistent torque and clamping pressure across mating surfaces.
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Optional Protective Finishes: Supports durability in indoor, outdoor, and harsh operating environments.
Common Applications:
The 7/16" USS washer is commonly used in medium-duty fastening jobs across industries such as:
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Machinery assembly and maintenance
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Structural steel and metal framing
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Agricultural and utility hardware
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Automotive and trailer applications
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Industrial repair and general construction
