SKU: 58880638024

Hillman 5/16 in. x 5-1/2 in. Zinc-Plated Steel Carriage Bolt, 50-Pack

Sale price$30.59 Regular price$33.99
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Description

Hillman 5/16 in. x 5-1/2 in. Zinc-Plated Steel Carriage Bolt, 50-Pack5 16 in. x 5 1 2 in. Zinc Plated Carriage Bolts (50 Pack) Heavy duty zinc plated steel carriage bolts designed for secure fastening in wood and metal projects. The 5 16 in. diameter and 5 1 2 in. length provide strong hold and corrosion resistance for indoor and outdoor applications. Key Features: Durable Construction: Zinc plated steel resists rust and corrosion for long lasting performance Secure Grip: Square neck locks into wood to prevent bolt

5/16 in. x 5-1/2 in. Zinc-Plated Carriage Bolts (50-Pack)

Heavy-duty zinc-plated steel carriage bolts designed for secure fastening in wood and metal projects. The 5/16 in. diameter and 5-1/2 in. length provide strong hold and corrosion resistance for indoor and outdoor applications.


Key Features:

  • Durable Construction: Zinc-plated steel resists rust and corrosion for long-lasting performance
  • Secure Grip: Square neck locks into wood to prevent bolt rotation during tightening
  • Versatile Use: Ideal for decks, fencing, furniture assembly, and general construction
  • Bulk Value: Convenient 50-pack for larger projects and jobsite needs
  • Smooth Dome Head: Low-profile rounded head offers a clean, snag-free finish

Specifications Table:

Specification Details
Bolt Type Carriage bolt
Material Steel
Finish Zinc-plated
Diameter 5/16 inch
Length 5-1/2 inch
Thread Type Coarse
Head Style Dome head with square neck
Package Quantity 50
Product Dimensions (package) 13.6 x 4.5 x 3.3 inches
Package Weight 12.8 lb

Frequently Asked Questions (FAQ):

Q: What nuts and washers fit these bolts?
A: Use 5/16 in. coarse-thread nuts and corresponding flat or lock washers for proper fit.


Q: Are these suitable for outdoor use?
A: Yes. The zinc plating offers corrosion resistance suitable for most outdoor environments; for coastal or highly corrosive areas, consider stainless steel.


Q: Do these bolts have full threads?
A: Yes, they are fully threaded along the 5-1/2 in. length.


Q: What tools are needed for installation?
A: Tighten with a wrench or socket on the nut side; the square neck seats into wood to hold the bolt head in place without a screwdriver.


Q: Can they be used with metal?
A: They can be used in pre-drilled metal with a nut and washer; ensure proper hole size for the 5/16 in. diameter.


A Polished Hardware Essential with Architectural Poise

The smooth domed head of this carriage bolt brings a refined, tailored detail to woodworking and built-ins. Its zinc sheen offers a crisp, modern accent against natural timber, elevating utilitarian joinery into a design statement. Style it in exposed applications on benches or gates for a subtle industrial note. This is the quiet luxury of hardware—precise, durable, and impeccably finished.


Secure your projects with reliable, corrosion-resistant performance—add this 50-pack to your toolkit 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: 58880638024

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Endocrantz
Birmingham, US
★★★★★ 4
Nice piece but not for BMW motorcycles
Solid filter wrench. My bad for not checking the fit. Way too big for BMW filter 11 00 1 341 616 on my motorcycle. Turns out I had one that fits anyway. How dumb was that? I didn't get to try it on anything but four stars for appearing to be a good solid tool.
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Reviewed in the United States on August 7, 2024
C
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Coldax
Dallas, US
★★★★★ 5
2021 Volvo XC 40 T5R
Works perfectly. Be sure to tighten down with the proper torque!
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Reviewed in the United States on February 14, 2025
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HEIDI
Port Orchard, US
★★★★★ 5
Fits Volvo xc90
Fits my Volvo xc90 2020
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Reviewed in the United States on June 24, 2025
D
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Destiny Voisine
Lowell, US
★★★★★ 5
It fit
BMW X1 2015. No problems at all. You won’t need any other cup unless you have more style euros.
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Reviewed in the United States on November 14, 2025
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Samuel James
San Leandro, US
★★★★★ 5
It’s Mobile One. The Brand Says it All!
Size: 5 Quart (Pack of 2), Style: Full Synthetic, Configuration: 0W-40
I buy Mobil One 0W-40 Full Synthetic European Blend Motor oil for my three older, higher mileage Mercedes SUVs. Considering all the vehicles are running well to this day speaks to the quality of their ongoing maintenance and Mobil One lubricants have always been part of their routine. Mobil One long ago became the favored brand of both European luxury car manufacturers and their customers. I’m no exception. The product comes in a convenient handled bottle that’s easy to pour without drips or spills. It’s built in fluid level gauge provides you with a real time window into the quantity of oil you pour and quantity remaining in its container. The oil is an excellent lubricant and it’s great for my motor, too. Price wise, it’s a premium offering from a premium brand. Even so, it’s worth every penny for helping keep my vehicles running as they were engineered. I have no complaints with Mobile One and I don’t have a reason to change. I’ll keep buying it until something better comes along.
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Reviewed in the United States on May 22, 2026

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