-Line 9192638 Square Nuts 5/16 in.-18 Zinc Plated Steel 25-Pack

Description

-Line 9192638 Square Nuts, 5/16 in.-18, Zinc Plated Steel, 25-Pack
Size: 5/16 inch-18
4-sided shape
Screws onto a bolt, cap screw or threaded rod of the same thread size
Typically used in combination with a washer (not included)
Not as commonly used as hex nuts
Square nuts are similar in function to hex nuts, but are 4-sided instead of 6-sided. This shape increases the surface, which can help to prevent loosening in certain applications. They are sometimes used in tight spaces since the square shape allows them to be tightened using pliers. Another application is use in metal channels.
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