SKU: 40732349852

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

Sale price$29.69 Regular price$32.99
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Description

Hillman 5/16 in. x 5 in. Zinc-Plated Steel Carriage Bolt, 50-Pack5 16 in. x 5 in. Zinc Carriage Bolts, 50 Pack Zinc plated steel carriage bolts for fastening wood to wood or metal with a smooth, low profile dome head. Square shoulder locks into the material to prevent spinning and often eliminates the need for a washer, ideal for carts, fixtures, and general repairs. Key Features: Durable Zinc Plated Steel: Moderate corrosion resistance with a consistent finish Secure Square Shoulder: Locks into wood to prevent

5/16 in. x 5 in. Zinc Carriage Bolts, 50-Pack

Zinc-plated steel carriage bolts for fastening wood to wood or metal with a smooth, low-profile dome head. Square shoulder locks into the material to prevent spinning and often eliminates the need for a washer, ideal for carts, fixtures, and general repairs.


Key Features:

  • Durable Zinc-Plated Steel: Moderate corrosion resistance with a consistent finish
  • Secure Square Shoulder: Locks into wood to prevent bolt rotation during tightening
  • Low-Profile Dome Head: Creates a semi-flush, snag-resistant appearance
  • Versatile Fastening: Designed to fasten wood to wood or wood to metal
  • Contractor Value Pack: 50 pieces for projects and stock replenishment

Specifications Table:

Specification Details
Diameter 5/16 inch
Length 5 inch
Thread 5/16-18 (from packaging image context of Hillman line; length differs)
Material Steel
Finish Zinc-plated
Head Type Domed carriage head (low-profile)
Shoulder Type Square neck
Pack Quantity 50 pieces
Intended Use Fasten a wood face to wood or metal

Frequently Asked Questions (FAQ):

Q: What materials can these carriage bolts be used with?
A: They are designed to fasten a wood face to either wood or metal framing.


Q: Do I need to pre-drill holes?
A: Yes—drill a hole matching the bolt diameter (5/16 in.) for best results.


Q: Are washers required?
A: Often no; the square shoulder locks into the wood, which can eliminate the need for a flat washer.


Q: Is the zinc finish suitable for outdoor use?
A: Zinc plating offers moderate corrosion resistance and is fine for many indoor and sheltered outdoor applications; for harsh outdoor environments, consider hot-dipped galvanized or stainless options.


Q: What length are the bolts?
A: 5 inches long with a 5/16-inch diameter.


Streamlined Strength with a Polished Industrial Edge

These carriage bolts bring a clean, domed silhouette that quietly elevates utilitarian builds. The zinc sheen lends a crisp, tailored touch while the square shoulder detail feels thoughtfully engineered. Use them to give garden carts, benches, or utility shelving a refined, cohesive hardware moment. Functional and poised, they’re the subtle hardware essential that completes a luxe, hardworking space.


Outfit your next project with these durable, easy-install Hillman carriage bolts and get a clean, secure finish that lasts.

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: 40732349852

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Heissel S.
Waukegan, US
★★★★★ 1
no pure white.
no pure white.
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Reviewed in the United States on February 4, 2026
F
fnlhalas
Grantham, US
★★★★★ 5
suit
Size: 12, Color: Beige
Very nice suit set. size 12. seems to fit as expected. I love the quality. It does have multi colored thread, as it is not solid.
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Reviewed in the United States on June 21, 2025
K
Verified Purchase
Kimberlee
Natrona Heights, US
★★★★★ 5
Sway Alert!! This is a beautiful suite!
Color: Beige, Size: 5, Color: Beige, Size: 5
This suit fit great my son loved it. The quality is good. My son is five about 40 inches tall around 40 pounds. He’s very slim but the length was great. The suit jacket fit well. The pants waist were a little big, but the adjustable strap helped with that, but the fit overall was great . I would purchase a suit again in a different color.
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Reviewed in the United States on April 12, 2026
E
ESI
Los Angeles, US
★★★★★ 5
Great Looking Suit with Lightweight Material
Color: Light Grey, Size: 7
I got this for a beach wedding and it worked out really well. It looked nice without feeling too formal, which was perfect for the setting. The material is linen and it feels lightweight and breathable. It kept my kid comfortable in the heat and didn’t feel stiff or heavy like some dress suits do. The appearance is sharp. The double breasted style makes it look more dressed up, but the linen material keeps it relaxed and appropriate for outdoor events. The fit was true to size. It sat well without looking baggy or tight, and everything stayed in place throughout the event. Quality feels good for the price. The fabric and stitching don’t feel cheap, and it held up well after a full day of wear. Suitability is great for things like weddings, parties, or photos. It works especially well for warmer weather because of the material. For value, I think it’s worth it. You’re getting a nice looking suit with comfortable material that actually works in real situations. Overall, great fit, breathable material, and a clean look that works really well for events.
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Reviewed in the United States on March 28, 2026
A
Amber Smith
Houston, US
★★★★★ 5
Very nice linen suit for boys. Well worth the piece
Color: Beige, Size: 12
This JPF Double Breasted Linen Suit for Boys is the cutest thing I've ever seen! I got itt for my 8 year old and he loves it! He tried it on at soon as we received it and wore it all evening. Lol. He looks so grown up! He's about 4'3", about 75lbs. I ordered a size 12 and it fits him the way I'd expect it to. A bit big but he has room to grow into it. It is a 2 piece suit, with pants and blazer only. It's a summer suit, it's meant to have a more laid back, casual style. It is so nice! The style and color are identical to the photo. I got the beige color, that's the color my kid picked. I do worry a bit about staining, considering an 8 year old boy will be wearing it, but hopefully any stains will be easy to remove. The quality is excellent and the price isn't bad either. I highly recommend this suit
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Reviewed in the United States on March 18, 2026

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