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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4.9 ★★★★★
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Cindee
Omaha, US
★★★★★ 4
Nice cozy sweater, but handwashing is recommended
Color: Beige, Size: Medium
Soft and cozy, but does not wash well. Goes with everything. This sweater fits well and looks great. I received lots of compliments while wearing it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 23, 2026
H
Verified Purchase
Hillary K
New York, US
★★★★★ 5
Great sweater for winters in the Midwest
Color: Black, Size: X-Large
Love this sweater! I went back and got another color! The fit is true to size and very comfy. The button detail on the sleeves just adds a little pizazz. The weight of the sweater is perfect for winters in the Midwest.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
K
Verified Purchase
KatieMae
Natrona Heights, US
★★★★★ 5
Flattering fit
Color: Dark Green, Size: XX-Large
This sweater is thick and stretchy but holds a nice shape, and is flattering on the body. The sleeves are nice and long too, which I really appreciate, being a tall person... the button detail is a great addition. True to size. I haven't washed it yet, and I imagine, based on the kind of woolly knit it is, that this sweater will eventually pill... but for now I'm enjoying being cozy and stylish. The deep green color is almost black green. I LOVE IT.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 2, 2026
G
Verified Purchase
GypsySoul
Lexington, US
★★★★★ 5
Love it
Color: Dark Green, Size: Small
I got the dark green. Love the sweater and it's warm. I do layer the sweater as well. It is as pictured. Size is perfect to me. I like sweaters to be longer and a bit wider in case it is freezing and I need to layer it. This sweater is perfect for layering. It comes closer to my backside, it is a little wide and not snug, and I like that the sleeves come over my wrists
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 7, 2026
J
Verified Purchase
JB
Whiting, US
★★★★★ 1
Still soft but looks terrible after 1 wash. Save your money
Color: White, Size: Small, Color: White, Size: Small
Update: sweater looked great when I received. After 1 wash it looks terrible. Looks like it’s been washed too many times, material fuzzy and piled. After wearing it once, it snagged and the knit pulled through. I would NOT recommend. I had such high hopes. Save your money. Very nice sweater, especially for the price! I love the details of the buttons on the sleeves. It is SO soft. It’s not super thick as I can see my skin through it when pressing my hand up against fabric. However, it’s not see through when wearing it. It’ll be perfect in cooler weather and perfect in the winter with a coat but won’t cause me to overheat when in a heated environment. I do feel like it runs big. I could have sized down a size. Although I’m not sure if it’ll shrink after a wash or two.
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Reviewed in the United States on September 22, 2025

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