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DIMENSIONAL ATTRIBUTES- Diameter (Nominal): 5/16"- Diameter (Dimension): 0.3125"- Inside Diameter (Minimum): 0.32"- Inside Diameter (Maximum): 0.332"- Outside Diameter (Minimum): 0.594"- Outside Diameter (Maximum): 0.61"- Thickness (Minimum): 0.028"- Thickness (Maximum): 0.034"PRODUCT ATTRIBUTES- Category: Tooth Lock Washers- System of Measurement: Inch- Brand: Aspen Fasteners- Form and Design: Internal Tooth- Material: Steel- Material Grade: Spring Steel- Coating: Zinc Plated- Coating Color: Clear- Hardness Rating: Rockwell C40-C50- Origin: Origin Undefined- Standards and Specifications: ASME B18.21.1NB: Product images are copyrighted artistic representations which may not reflect the product's exact appearance, proportions and/or relative dimensions.
Tooth washers are made with small sharp and twisted teeth that, when compressed, prevent loosening.
Effective as a lock washer when used with a soft substrate, such as aluminium or plastic.
In electrical applications, the teeth create a grounding surface to improve the connection.
