The HILLMAN 5/16 in. D x 1 in. L Hot Dipped Galvanized Steel Hex Bolt is built for durability, reliability, and long-lasting performance in outdoor and high-use environments. Designed to resist rust and corrosion, this hex bolt is ready to tackle fencing, deck projects, garden structures, and other heavy-duty connections with confidence.
Key specifications
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Diameter: 5/16 in
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Length: 1 in
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Head diameter: 5/16 in
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Material: Steel
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Finish: Hot dipped galvanized
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Thread type: Coarse
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Grade: 2
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Packaging: 100 bolts per box
Why this bolt stands out
- Outdoors-ready protection: The hot-dipped galvanized finish creates a tough zinc coating that fights rust and corrosion, making these bolts ideal for exterior projects exposed to weather, moisture, or humidity.
- Versatile for wood and light metal connections: With a coarse thread, these bolts bite securely into softwood and many common metals, delivering strong clamping power for reliable assemblies.
- Economical bulk pack: A 100-pack provides ample quantity for larger projects or recurring use, packaged in a sturdy box for organized storage and easy inventory control.
- Designed for straightforward installation: Use with a matching nut and washer, tightened with a standard wrench or socket to achieve solid, vibration-resistant joints.
Ideal use cases
- Outdoor fencing, gates, and railings where corrosion resistance is essential
- Deck attachment hardware, including ledger boards and framing connections
- Garden structures, raised beds, trellises, and outdoor furniture assembly
- General wood-to-metal fastenings in sheds, barns, and utility projects
Practical tips for best results
- Pair with a compatible nut and washer to distribute load and prevent pull-through on softer materials.
- For hardwood or dense materials, consider pre-drilling to control alignment and reduce splitting, then tighten with a properly sized wrench or socket.
- Store the box in a dry location to preserve the galvanized coating and extend usability over many jobs.
Whether you’re remodeling an outdoor space, building a sturdy fence, or completing routine maintenance on garden structures, the Hillman 5/16 in x 1 in hot-dipped galvanized hex bolt delivers dependable strength, corrosion resistance, and value in every pack.
