Skip to product information
1 of 2

Hillman

Hillman 1/4 in. x 3 in. Stainless Steel Carriage Bolt (25-Pack)

Hillman 1/4 in. x 3 in. Stainless Steel Carriage Bolt (25-Pack)

Regular price $26.99 USD
Regular price Sale price $26.99 USD
Sale Sold out
Shipping calculated at checkout.
Quantity

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:

Specification Details
Brand Hillman
Diameter 1/4 inch
Length 3 inch
Material Stainless Steel
Finish Stainless Steel
Thread Type Coarse
Unit of Measurement SAE
Head Style Round/Dome carriage head
Neck Style Square neck, self-locking
Number in Package 25 pack
Packaging Type Boxed
Intended Use Fastening wood to wood or wood to metal
Package Dimensions (L x W x H) 3.5 in x 3.4 in x 2 in
Package Weight 1.7 lbs

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.

View full details