Hillman 5/16 in. x 1-1/2 in. Stainless Steel Carriage Bolts, 50-Pack

Regular price $45.99

/
Shipping calculated at checkout.

Stainless Steel 5/16 in. x 1-1/2 in. Carriage Bolts (50-Pack)

Durable Hillman stainless steel carriage bolts provide strong, rust-resistant fastening for wood-to-wood or wood-to-metal projects. The round head and square neck lock into place for a clean, semi-flush finish and easy installation outdoors or indoors.


Key Features:

  • Corrosion Resistant: Stainless steel construction stands up to weather and moisture for long-lasting performance
  • Clean, Flush Look: Low-profile round head eliminates the need for a washer in many applications
  • Self-Locking Square Neck: Prevents spinning for easier tightening with a nut
  • Project-Ready Pack: 50-piece boxed pack for efficient jobsite or shop use
  • SAE Coarse Threads: 5/16 in.-18 x 1-1/2 in. sizing fits common hardware standards

Specifications Table:

Specification Details
Brand Hillman
Size 5/16 in.-18 x 1-1/2 in.
Diameter 5/16 in.
Thread Count 18 TPI (SAE coarse)
Length 1-1/2 in.
Material Stainless Steel
Head Style Round head with square neck (carriage bolt)
Number in Package 50
Packaging Type Boxed
Unit of Measurement SAE
Category Carriage Bolts
Package Dimensions (L x W x H) 3.5 in x 3.4 in x 2 in
Package Weight 1.7 lb

Frequently Asked Questions (FAQ):

Q: What materials are these suitable for?
A: Designed to fasten a wooden face to wood or metal frames; commonly used in decks, fences, and furniture.


Q: Are nuts and washers included?
A: No, this pack contains only carriage bolts; pair with matching 5/16 in.-18 nuts and washers as needed.


Q: Will they resist rust outdoors?
A: Yes. The stainless steel finish provides superior rust prevention for exterior applications.


Q: What thread specification do these bolts use?
A: SAE coarse thread, 5/16 in.-18.


Q: How many bolts are in the package?
A: 50 bolts per retail package.


Polished Strength for Thoughtful Timber Details

These stainless carriage bolts bring a refined, utilitarian elegance to woodwork, letting joinery read as jewelry. The domed head offers a smooth, luminous accent while the square neck tucks in neatly for a tailored finish. Use them in sightlines—on garden gates or bench slats—to celebrate honest materials. They’re the quiet, luxe hardware choice that elevates everyday construction.


Choose these rust-resistant stainless carriage bolts for a clean, reliable fastening solution on your next wood project.

*Third Party Trademarks

All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.

Why choose us

The Arbor Way

• Lowest Prices. Easy Online Shopping. Fast Delivery.

• No lines. No holds. No Hassles.

• America's Largest Inventory Network for All Home Improvement Supplies Nationwide.

• We deliver - town to town, door to door. 


Recently viewed

\