SKU: 37642127613

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

Sale price$12.25 Regular price$13.61
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Description

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

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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 37642127613

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David E
San Leandro, US
★★★★★ 3
Dies after a Year
Color: 5566-ZP-white face
Watch worked fine for about a year, then just stopped working - just like that. No amount of shaking or gentle impacts would get it to start ticking again. I'd also say my biggist issue with it was it was always difficult to tell which hand was the second hand and which hand was the minute hand since they're both the same color and thickness. Wish the hour and minute hands were a little thicker so they'd stand out a little better and/or that the minute hand was a different color so it was offset. Resulted in having to study the watch to get the time instead of a quick glimpse to see what time it was. Irritating after a while.
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Reviewed in the United States on February 15, 2026
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Bob natale
Lexington, US
★★★★★ 5
They were lightweight and attractive
Color: 5535-HP-white
Sleek and attractive
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Reviewed in the United States on April 6, 2026
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M. Collica
Draper, US
★★★★★ 5
Blue faced watch.
Color: 5535-ZP-blue
Looks great
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Reviewed in the United States on May 23, 2026
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Christopher G.
Whiting, US
★★★★★ 5
Good all around!!
Color: Dark Brown band & Rose Gold bezel & White dial
So far this is a very nice watch, light, thin, keeps good time, looks nice, nice band, nice price!!
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Reviewed in the United States on April 20, 2026
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Carlo ley
Cuba, US
★★★★★ 5
Good quality
Color: Mesh Strap watch balck blue
Beautiful watch,
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Reviewed in the United States on May 9, 2026

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