Hillman 5/16 in. x 4-1/2 in. Hot-Dipped Galvanized Steel Carriage Bolts, 50-Pack
SKU: 15869981220

Hillman 5/16 in. x 4-1/2 in. Hot-Dipped Galvanized Steel Carriage Bolts, 50-Pack

Sale price$37.79 Regular price$41.99
Save 10%

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

Hillman 5/16 in. x 4-1/2 in. Hot-Dipped Galvanized Steel Carriage Bolts, 50-PackHot Dipped Galvanized 5 16 in. x 4 1 2 in. Carriage Bolts (50 Pack) Durable Hillman carriage bolts for fastening wood to wood or wood to metal with a low profile, domed head. Hot dipped galvanized steel resists rust for long lasting outdoor performance in decks, fences, and general construction. Key Features: Corrosion Resistance: Hot dipped galvanized steel stands up to moisture and outdoor exposure Secure Hold: Square neck under the head locks into

Hot-Dipped Galvanized 5/16 in. x 4-1/2 in. Carriage Bolts (50-Pack)

Durable Hillman carriage bolts for fastening wood-to-wood or wood-to-metal with a low-profile, domed head. Hot-dipped galvanized steel resists rust for long-lasting outdoor performance in decks, fences, and general construction.


Key Features:

  • Corrosion Resistance: Hot-dipped galvanized steel stands up to moisture and outdoor exposure
  • Secure Hold: Square neck under the head locks into wood to prevent spinning during tightening
  • Clean Finish: Dome head provides a semi-flush, washer-free appearance
  • Coarse Thread: SAE coarse thread for quick assembly and strong grip
  • Bulk Value: 50 bolts per box for efficient project coverage

Specifications Table:

Specification Details
Brand Hillman
Diameter 5/16 inch
Length 4-1/2 inch
Material Steel
Finish Hot Dipped Galvanized
Grade 2
Thread Type Coarse (SAE)
Head Style Carriage (domed) with square neck
Number in Package 50 pack
Packaging Type Boxed

Frequently Asked Questions (FAQ):

Q: What materials can these carriage bolts fasten?
A: They are designed primarily for fastening wood to wood or wood to metal frames.


Q: Do I need a washer under the head?
A: Typically no—the domed head is designed to sit semi-flush without a washer, though washers and nuts may be used on the threaded end as needed.


Q: Are these suitable for outdoor use?
A: Yes, the hot-dipped galvanized finish provides strong rust resistance for exterior projects.


Q: What thread type do these bolts use?
A: SAE coarse thread.


Q: What grade are these bolts?
A: Grade 2 steel, suitable for general-purpose structural and carpentry applications.


A Clean, Workmanlike Finish for Outdoor Woodwork

There’s a quiet elegance in hardware that disappears into the craft. These galvanized carriage bolts offer a soft, domed cap that reads crisp and intentional on decks, gates, and garden structures. I love the square-neck detail—hidden, yet essential—keeping the face smooth and composed. Use them in rhythmic rows along a cedar fence for a tailored, architectural touch that also lasts; consider these a small luxury of smart construction.


Choose these galvanized carriage bolts for a clean, durable fasten that elevates your next outdoor build.

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: 15869981220

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.6 ★★★★★
Based on 2132 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
R
Verified Purchase
Randy
Whiting, US
★★★★★ 5
Perfect fit for boyh filters
Watched a youtube video, easy changed both filters in 10 minutes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 18, 2026
A
Verified Purchase
Angus
Waukegan, US
★★★★★ 5
Easy to install
Fit like a glove easy to insert
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 13, 2026
J
Verified Purchase
Jhonny Romero
Fort Morgan, US
★★★★★ 5
Excelente
Excelente
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2025
L
Verified Purchase
LTC
Dallas, US
★★★★★ 5
With the word Trilogy, made me think I was getting all 3
Arrival was great and on time. Thought I was getting the timepiece the second in trilogy. But will keep it and order the other two of the series I typed in the name “Timepiece” and got The Christmas Box, thinking I was possibly getting all 3. I guess that is my mistake
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 11, 2025
M
Verified Purchase
Ma.Celestine Palma
Battle Creek, US
★★★★★ 5
11th Gen Civic touring 1.5L Fits perfect
Impressive product, IT FITS MY 2024 HONDA CIVIC TOURING 1.5L! Value for the buck indeed! Will buy again in the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 28, 2025

recommand products