Best Round Carriage Bolts in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for Round Carriage Bolts

Hillman Group Galvanized Carriage Bolt 1/2” x 4”, 25 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, for Wood and Metal, No Washer Needed, Rust-Resistant (812620) 25 pack
#TOP1
Hillman Group Galvanized Carriage Bolt 1/2” X 4”,
5.6
PM SCORE
Hillman Group Galvanized Carriage Bolt 5/16” x 6”, 50 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, for Wood and Metal, No Washer Needed, Rust-Resistant (812563)
#TOP2
Hillman Group Galvanized Carriage Bolt 5/16” X 6”,
5.5
PM SCORE
Hillman Group Galvanized Carriage Bolt 1/2” x 9”, 25 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, for Wood and Metal, No Washer Needed, Rust-Resistant (812633)
#TOP3
Hillman Group Galvanized Carriage Bolt 1/2” X 9”,
5.3
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Round Carriage Bolts of 2026

#TOP1

Hillman Group Galvanized Carriage Bolt 1/2” X 4”, 25 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, For Wood And Metal, No Washer Needed, Rust-Resistant (812620) 25 Pack

HILLMAN
812620
5.20 X 4.40 X 3.40 Inches
5.71 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

#TOP2

Hillman Group Galvanized Carriage Bolt 5/16” X 6”, 50 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, For Wood And Metal, No Washer Needed, Rust-Resistant (812563)

HILLMAN
812563
7.10 X 4.60 X 3.30 Inches
5.84 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Gatzies 9.78

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

#TOP3

Hillman Group Galvanized Carriage Bolt 1/2” X 9”, 25 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, For Wood And Metal, No Washer Needed, Rust-Resistant (812633)

HILLMAN
812633
4.50 X 4.80 X 13.20 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

#TOP4

Hillman Group Galvanized Carriage Bolt 1/2” X 3-1/2”, 25 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, Wood And Metal, No Washer Needed, Rust-Resistant (812617)

HILLMAN
812617
3.20 X 4.30 X 4.40 Inches
5.80 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

#TOP5

Hillman Group Galvanized Carriage Bolt 1/4” X 4”, 100 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, Wood And Metal, No Washer Needed, Rust-Resistant (812524)

HILLMAN
812524
7.00 X 4.60 X 3.40 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

#TOP6

Hillman Group Galvanized Carriage Bolt 3/8” X 10”, 50 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, Wood And Metal, No Washer Needed, Rust-Resistant (812599)

HILLMAN
812599
13.30 X 4.80 X 4.70 inches
2.01 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

#TOP7

Hillman Group Galvanized Carriage Bolt 5/16” X 4-1/2”, 50 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, Wood And Metal, No Washer Needed, Rust-Resistant (812558)

HILLMAN
812558
5.40 X 4.20 X 3.40 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

#TOP8

Hillman Group Galvanized Carriage Bolt 5/8” X 10”, 25 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, Wood And Metal, No Washer Needed, Rust-Resistant (812653)

HILLMAN
812653
4.40 X 5.00 X 13.30 Inches
21.30 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

Hillman Group Galvanized Carriage Bolt 1/4” X 2-1/2”, 100 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, Wood And Metal, No Washer Needed, Rust-Resistant (812515)

HILLMAN
812515
4.60 X 4.30 X 3.40 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

#TOP10

Hillman Group Galvanized Carriage Bolt 5/16” X 5”, 50 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, Wood And Metal, No Washer Needed, Rust-Resistant (812560)

HILLMAN
812560
6.90 X 4.50 X 3.40 Inches
0.09 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

#TOP11

Hillman Group Galvanized Carriage Bolt 5/8” X 6”, 25 Count, Blunt Point, Alloy Steel, Self-Locking Round Head Fasteners, Wood And Metal, No Washer Needed, Rust-Resistant (812647)

HILLMAN
812647
10.00 X 5.30 X 3.80 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

Carriage Bolts are designed to fasten a wooden face to either wood or metal

Flat head provides a semi-flush finish to applications

The heads is designed to eliminate the need for a washer

Square underside of the head is self locking to eliminate the need for a driving tool

Galvanized finish is perfect for rust prevention

Top 10 carriage bolts Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Hillman 11

Top 10 carriage bolts Brands Pie Chart


We've carried out a comprehensive analysis of 118 reviews on carriage bolts, using our selection criteria to identify the best options in the fasteners. Our findings reveal that most customers typically select carriage bolts priced around $45.78, with top brands including and vigrue and hillman

Our team of expert editors reviewed these high-quality items and handpicked the top 11 carriage bolts for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the fasteners category. These include and vigrue-king of screw and amazon.com .

We are dedicated to assisting our users in finding the right bolts Products based on their needs, saving them considerable time when choosing which carriage bolts to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.