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Hillman

Hillman 5/16 in. x 2 in. Zinc-Plated Steel Hex Bolt, Coarse Thread, 100-Pack

Hillman 5/16 in. x 2 in. Zinc-Plated Steel Hex Bolt, Coarse Thread, 100-Pack

Regular price $13.61 USD
Regular price Sale price $13.61 USD
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Zinc-Plated Steel Hex Bolt 5/16 in. x 2 in. (100-Pack)

Durable Hillman hex bolts made of steel with a zinc-plated finish for corrosion resistance. Sized 5/16 in.-18 x 2 in. with coarse threads, ideal for general construction, machinery, and repair projects.


Key Features:

  • Corrosion-Resistant Finish: Zinc plating helps prevent rust for long-lasting performance
  • Strong Steel Construction: Low carbon Grade 2 steel suitable for everyday fastening
  • Coarse Thread 5/16-18: Provides reliable grip and easier assembly in tapped holes
  • Precise Sizing: 2-inch length for versatile use across hardware and repair tasks
  • Bulk Convenience: Boxed 100-pack for jobsite efficiency and replenishment

Specifications Table:

Specification Details
Brand Hillman
Material Steel
Finish Zinc Plated
Size 5/16-18 x 2
Thread Type Coarse
Grade Grade 2
Number in Package 100
Packaging Type Boxed
Low Carbon Yes
Unit of Measurement SAE (thread 5/16-18)

Frequently Asked Questions (FAQ):

Q: What wrench or socket size should I use?
A: Use a wrench or socket sized for 5/16 in. hex bolt heads; check your tool set for the matching SAE size.


Q: Are these bolts suitable for outdoor use?
A: The zinc-plated finish offers moderate corrosion resistance for indoor and light outdoor applications; for harsh environments, consider galvanized or stainless steel.


Q: What nuts should I pair with these bolts?
A: Use 5/16-18 coarse-thread nuts and matching washers to ensure proper fit and load distribution.


Q: Is drilling required before installation?
A: Install into appropriately sized pre-drilled holes or tapped threads; ensure the hole matches 5/16-18 coarse thread specifications.


Q: Can these be used for high-stress structural applications?
A: These are Grade 2 low carbon steel bolts, intended for general-purpose fastening, not high-strength structural uses.


A Sleek, Workhorse Fastener with Polished Utility

The crisp, zinc sheen of this hex bolt adds a refined industrial note to utility builds and custom furniture. Its coarse thread and 5/16-18 sizing deliver an assured, tactile connection that feels both robust and precise. Style it with raw wood and matte black hardware to create a modern, workshop-chic vignette. A staple of elevated craftsmanship, it’s the quiet essential behind luxurious, lasting pieces.


Secure dependable performance—add this 100-pack of zinc-plated Hillman hex bolts to your project today.

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