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This1/4"-20 x 1” Hex Head Bolt (Grade A307, Galvanized) is a durable, fully threaded fastener ideal for both residential and commercial construction applications. Designed with a coarse 20 TPI thread and a strong zinc-plated steel body, it offers excellent grip strength and corrosion resistance. Whether you're securing wood, metal, or machinery parts, this bolt delivers reliable performance and easy installation using a 7/16" wrench. Perfect for general-purpose use, it ensures quick disassembly for repairs and long-term durability.
SpecsYes, it is fully threaded for maximum grip and holding strength.
What wrench size is needed to install this bolt?A 7/16" wrench or socket fits the hex head perfectly.
Can this bolt be used outdoors?While generally recommended for indoor use, the zinc plating does provide protection against rust and corrosion making it suitable for outdoor applications. Please note, that these bolts are not suitable for use with pressure treated lumber.
Are these hex bolts zinc plated or galvanized?These hex bolts are zinc plated which is also known as electro galvanized, which is not to be confused with hot dipped galvanized.

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