Product Description
- USS (United States Standard) flat washers are also known as plain washers or plate washers.
- The nominal diameter is the bolt size to use for this flat washer.
- Diameter (Nominal): 1/4"
- Inside Diameter (Nominal): 5/16"
- Outside Diameter (Nominal): 3/4"
- Thickness (Nominal): 0.051"-0.080"
- Product Class: Washers
- Order: Flat Washers
- Category: Standard Flat Washers
- System of Measurement: US Units
- Brand: Aspen Fasteners®
- Form and Design: USS Flat Washer Dimensions
- Material: Steel
- Material Processes: Hardened
- Coating: Uncoated
- Hardness Rating: Rockwell C38-C45
- Standards and Specifications: ASME B18.21.1-2009
- A note on our product images: The copyrighted images are schematic representations. These are artistic renderings which may not reflect the exact appearance, proportions and/or relative dimensions of the actual products. For more precise imagery and/or technical references, please contact our customer support team.
Product Videos
Custom Field
Category Standard Flat Washers
Outer Diameter 3/4"
Material Steel
Standards and Specifications ASME B18.21.1-2009
System of Measurement US Units
Inner Diameter 5/16"
Diameter/Pitch 1/4"
Thickness 0.051"-0.080"
Coating Process Uncoated