Washer Tooth – 5/16″ Internal Tooth, Zinc Plated
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Overview
The AAJ490 Internal Tooth Washer is a 5/16" zinc-plated fastener designed to lock components securely in place. Its internal teeth grip the surface of the material, making it ideal for electrical connections, assemblies subject to vibration, and machinery setups. The zinc plating enhances corrosion resistance, ensuring long-lasting performance in industrial and construction environments.
Kit Includes:
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1 × Internal Tooth Washer – 5/16"
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Zinc-Plated Finish
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Packaged individually or in bulk (optional)
Key Features:
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Internal tooth design resists loosening from vibration
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Provides enhanced grip and electrical conductivity
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Zinc plating offers superior corrosion resistance
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Ideal for machinery, electrical, and general fastening use
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Compact, lightweight, and easy to install
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Compatible with 5/16" fasteners and bolts