Stainless Steel 1/4 in. x 3 in. Carriage Bolts, 25-Pack

These Hillman carriage bolts secure wood-to-wood or wood-to-metal connections with a smooth, low-profile head for a clean finish. Made from stainless steel for superior corrosion resistance, they’re ideal for outdoor and marine projects.

Key Features:

• Corrosion-Resistant Stainless Steel: Withstands weather and moisture for long-lasting outdoor use
• Clean, Low-Profile Head: Dome head eliminates need for a washer and sits semi-flush
• Self-Locking Square Neck: Prevents spinning during installation for easier tightening
• Standard Coarse Threads: Reliable grip for structural wood connections
• Bulk Value Pack: 25 bolts per box for projects and jobsite efficiency

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What size are these carriage bolts?
A: They are 1/4 inch diameter by 3 inches in length with coarse threads.

Q: Are nuts and washers included?
A: No, this package includes only the carriage bolts; nuts and washers are sold separately.

Q: Can these be used outdoors or near water?
A: Yes. The stainless steel construction provides superior rust prevention for outdoor and marine environments.

Q: What tools do I need to install them?
A: Drill a pilot hole, tap the square neck into the material to lock it, then tighten a nut from the opposite side with a wrench.

Q: How many bolts come in the package?
A: 25 bolts per retail box.

Sleek Strength for Outdoor Joinery

A polished, domed head brings a refined note to decks, benches, and garden structures while delivering uncompromising strength. The square-neck detail is a quiet hero—locking the bolt in place so lines stay crisp and hardware remains discreet. Pair with stainless washers and nuts on cedar or teak for a cohesive, elevated look. It’s the subtle, enduring hardware choice that makes luxe outdoor living feel effortless.

Upgrade your project with corrosion-proof fastening—add this 25-pack of stainless carriage bolts to your cart today.