5/16" - 18 Plain Nut

Part # 51618HNSB-200

$46.02 200 Per Bag

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5/16" - 18 Plain Nut

Part # 51618HNSB-200

Fasteners made primarily from copper (typically in excess of 95%) with silicon added to increase strength.


Silicon bronze fasteners offer exception resistance to corrosion, and are far stronger than plain brass. Used extensively in both the marine and electrical industries this type of fastener is the ideal choice where corrosion is simply not an option.

Installation Tips

Spring washers are not suitable to prevent nuts from loosening in critical applications. Use a thread lock compound on any joints that are safety critical. 

Size: 5/16" - 18

Weight: 2lb

Diameter: 5/16"