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home > Hillman 5/16 in. Diameter x 3-1/2 in. Length Hot-Dipped Galvanized Steel Hex Bolt, Coarse Thread, 50-Pack > Hillman 5/16 in. Diameter x 3-1/2 in. Length Hot-Dipped Galvanized Steel Hex Bolt, Coarse Thread, 50-Pack

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Hillman 5/16 in. Diameter x 3-1/2 in. Length Hot-Dipped Galvanized Steel Hex Bolt, Coarse Thread, 50-Pack main image 1

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Hillman 5/16 in. Diameter x 3-1/2 in. Length Hot-Dipped Galvanized Steel Hex Bolt, Coarse Thread, 50-PackHillman 5 16 in. x 3 1 2 in. Galvanized Hex Bolts (50 Pack) Durable Grade 2 steel hex bolts with a hot dipped galvanized finish for superior corrosion resistance in outdoor and general purpose applications. Coarse thread, partially threaded shank delivers strong clamping force for wood to wood, wood to metal, or metal to metal fastening. Key Features: Corrosion Resistant Galvanized Finish: Hot dipped zinc coating stands up to outdoor and marine

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Hillman 5/16 in. x 3-1/2 in. Galvanized Hex Bolts (50-Pack)

Name: Hillman 5/16 in. Diameter x 3-1/2 in. Length Hot-Dipped Galvanized Steel Hex Bolt, Coarse Thread, 50-Pack
Brand: wellness-welten.net
SKU: 94861372872
Price: 41.99 USD
Availability: InStock
Rating: 4.5769 (213 reviews)

Durable Grade 2 steel hex bolts with a hot-dipped galvanized finish for superior corrosion resistance in outdoor and general-purpose applications. Coarse-thread, partially threaded shank delivers strong clamping force for wood-to-wood, wood-to-metal, or metal-to-metal fastening.

Key Features:

Corrosion Resistant Galvanized Finish: Hot-dipped zinc coating stands up to outdoor and marine environments.
General-Purpose Strength: Grade 2 steel suitable for most common fastening tasks.
Coarse Thread Grip: Partially threaded shank reduces shear movement and improves hold between materials.
Versatile Applications: Ideal for wood, metal, and mixed-material assemblies; pair with matching nuts and washers.
Bulk Value Pack: 50 bolts per box for convenient stocking on the jobsite or in the shop.

Specifications Table:

Specification	Details
Brand	Hillman
Finish	Hot Dipped Galvanized
Grade	Grade 2
Diameter	5/16 inch
Length	3-1/2 inch
Material	Steel
Thread Type	Coarse (UNC)
Shank	Partially threaded
Number in Package	50
Packaging Type	Boxed

Frequently Asked Questions (FAQ):

Q: Are matching nuts and washers included?
A: No. Use nuts and washers of the same grade (Grade 2) and galvanized finish for best results.

Q: Can these bolts be used outdoors?
A: Yes. The hot-dipped galvanized coating provides strong corrosion resistance for exterior use.

Q: What thread type do these bolts have?
A: Coarse thread (UNC).

Q: Do I need to pre-drill holes?
A: Pre-drilling is recommended to ensure proper fit and prevent splitting, especially in wood.

Q: What are the exact dimensions?
A: Diameter: 5/16 inch; Length: 3-1/2 inch; partially threaded shank.

Industrial polish with weatherproof poise

These galvanized hex bolts bring a clean, utilitarian rhythm to outdoor structures and custom furniture alike. I love the subtle sheen of hot-dipped zinc—it feels both rugged and refined. Try them as a deliberate design note on cedar planters or a steel-framed bench, letting the hardware punctuate the composition. They’re the quiet, steadfast detail that elevates everyday builds into enduring luxury.

Outfit your next project with these galvanized hex bolts for reliable, weather-ready fastening that lasts.