5/16 × 5-1/2 in Zinc-Plated Carriage Bolts (50-Pack)
50 per pack
$33.99 /pack
$0.68 per piece · 50 per pack
Orders start at $399. Combine any items to reach it.
Sold by the pack of 50. We round up and set the quantity for you.
- 1 pack · 50 pieces
- $33.99
- Standard delivery
- $49.99 per order
- Sales tax
- Added at checkout
All orders are subject to approval.
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Standard delivery$49.99
Per order, added in your cart. We deliver to the 48 contiguous states.
Availability confirmed by the desk at approval, with your delivery date. Shipping policy · Returns
Goes with
Fasteners
Details & specifications.
From the maker · the maker’s description
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.
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.
- Length
- 5-1/2 inch
- Per pack
- 50 per pack
- Finish
- Zinc-plated
- Head
- Dome head with square neck
- Material
- Steel
- Diameter
- 5/16 inch
- Bolt Type
- Carriage bolt
- Thread Type
- Coarse
- Package Quantity
- 50
- Product Dimensions (package)
- 13.6 x 4.5 x 3.3 inches
- Package Weight
- 12.8 lb
- Full product name
- Hillman 5/16 in. x 5-1/2 in. Zinc-Plated Steel Carriage Bolt, 50-Pack
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 are provided by the manufacturer. Brand names are trademarks of their owners.
Guide
Choosing the fastener
- 1
Outdoors and treated lumber
Use hot-dip galvanized, stainless or exterior-coated fasteners, and follow the board maker’s fastener recommendation.
- 2
Price per piece
The pack price divided by the pieces in the pack, both as listed.
- 3
Drive
Star (Torx), square, Phillips or hex, as the listing states. Match the bit you carry.
Use 5/16 in. coarse-thread nuts and corresponding flat or lock washers for proper fit.