SKU: 90346838342

Hillman 1/2 in. Diameter x 12 in. Length Zinc-Plated Steel Hex Bolt, Coarse Thread, 25-Pack

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Description

Hillman 1/2 in. Diameter x 12 in. Length Zinc-Plated Steel Hex Bolt, Coarse Thread, 25-PackHillman 1 2" x 12" Zinc Plated Steel Hex Bolts (25 Pack) These Grade 2 zinc plated steel hex bolts deliver reliable fastening for wood to wood, wood to metal, and metal to metal projects. The coarse thread, partially threaded shank provides strong grip and reduced shear movement for general purpose construction and repair. Key Features: Durable Zinc Plating: Corrosion resistant finish suitable for typical indoor outdoor use General Purpose Grade 2:

Hillman 1/2" x 12" Zinc-Plated Steel Hex Bolts (25-Pack)

These Grade 2 zinc-plated steel hex bolts deliver reliable fastening for wood-to-wood, wood-to-metal, and metal-to-metal projects. The coarse-thread, partially threaded shank provides strong grip and reduced shear movement for general-purpose construction and repair.


Key Features:

  • Durable Zinc Plating: Corrosion-resistant finish suitable for typical indoor/outdoor use
  • General-Purpose Grade 2: Ideal for most everyday fastening applications
  • Coarse Thread Design: Enhances hold and resists shear movement
  • Partially Threaded Shank: Promotes stronger clamping between materials
  • Convenient 25-Pack: Boxed for easy storage and jobsite use

Specifications Table:

Specification Details
Material Steel
Finish Zinc Plated
Grade Grade 2
Diameter 1/2 inch
Length 12 inch
Thread Type Coarse
Head Type Hex
Shank Partially threaded
Number in Package 25
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: Are these bolts fully threaded?
A: No. They have a partially threaded shank to improve grip and reduce shear movement.


Q: What materials are they suitable for?
A: Designed for wood-to-wood, wood-to-metal, and metal-to-metal applications.


Q: Do I need matching hardware?
A: Use washers and nuts of similar grade and finish (Grade 2, zinc-plated) for best performance.


Q: What thread type do these bolts use?
A: Coarse thread.


Q: Are they rust-resistant?
A: The zinc plating offers corrosion resistance for typical use.


A Clean, Industrial Accent with Purpose

The crisp hex head and bright zinc finish lend a refined industrial note to utilitarian projects. I love the partially threaded shank—an elegant detail that translates to stronger, cleaner joins. Use these bolts to anchor custom shelving brackets or a mixed-material console for a polished, workshop-chic vibe. A simple essential that elevates craftsmanship and ensures enduring, luxe functionality.


Secure your next project with these corrosion-resistant, coarse-thread Hillman hex bolts—add the 25-pack to your cart today.

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SKU: 90346838342

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Rob Ross
Louisville, US
★★★★★ 5
Easy storage, good holding power
This industrial pipe shelving system is a very nice way to add DIY storage to any room. The parts come well protected and are easy to assemble. They come with all the hardware one needs to install, though I used my own wall anchors because I like the ones I use and I know they work very well. I also decided in the end not to use the support legs because they would have had the shelves too low when mounted from the ceiling. Instead, I took those off and flipped the frames over so nothing would get in there, and I'll probably get nipples and caps from the hardware store to finish off the bottoms. The frames are finished in black, and resemble old galvanized gas pipes. As previously mentioned, assembly is easy enough and they accommodate whatever width of shelf you want to put up, within a reasonable limit. I used 36" shelves because that's the space I had to work with. The fact that each flange has three screws, assuming this is installed correctly, it should be rock-solid. I know mine is. I installed this in our laundry room / craft room in order to get more storage space, because it is so very busy in there. Given one could purchase the parts needed to build one of these for less, it's still a good value for the money because then after you buy those parts you have to clean and paint them, as well as prepare the boards. All I had to do was assemble these, and then prepare the boards, which made my life easier and the time saved was well worth the little extra. They also look fantastic with natural-colored oiled pine. I recommend these racks for their aesthetic, ascetic appearance, and their ability to hold a good amount of weight and storage, and not to mention if they're installed like mine, they will hold rolled leather hides like nobody's business.
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Reviewed in the United States on January 12, 2026
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