Best Singularity Supplies Carriage Bolts of 2025

Corey Phillips Avatar
Corey Phillips
Last Updated: 1 Feb 2025

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Carriage bolts by Singularity Supplies are an essential component for various construction and woodworking projects. These sturdy bolts are designed with a smooth, domed head and a square-shaped neck that prevents them from spinning when tightened. They provide a secure and stable connection, making them ideal for applications that require a strong fastening solution. Whether you're building furniture or constructing a deck, Singularity Supplies carriage bolts are a reliable choice to ensure your project is built to last.

At a Glance: Our Top Picks

M6 Steel Cup Square Carriage Bolts & Nuts Cover #TOP 1
M6 Steel Cup Square Carriage Bolts & Nuts
ftb score rating icon 9.9
M5 Stainless Steel Cup Square Carriage Bolts Cover #TOP 2
M5 Stainless Steel Cup Square Carriage Bolts
ftb score rating icon 9.8
M6 Cup Square Carriage Bolt Pack of 10 Cover #TOP 3
M6 Cup Square Carriage Bolt Pack of 10
ftb score rating icon 9.6

Top 6 Singularity Supplies Carriage Bolts

M6 Steel Cup Square Carriage Bolts & Nuts

Silver
M6x80 - St(10)
M6 Steel Cup Square Carriage Bolts & Nuts Cover
M6 (6mm x 80mm) Cup Square Carriage Bolt & Nut - Steel (Pack of 10)

The M6 Carriage Bolts are made from durable steel, ensuring long-lasting strength for your projects. The mushroom dome head design provides a neat finish, making them ideal for visible applications. With corrosion-retardant zinc plating, these bolts resist rust, guaranteeing reliability in various environments. The bolts adhere to the ISO 965 standard, ensuring precise dimensions for a perfect fit. This means you can trust them for secure fastening in a variety of tasks.

What We Like
Durable steel construction
Corrosion-resistant zinc plating
ISO 965 standard tolerance
Mushroom dome head design

M5 Stainless Steel Cup Square Carriage Bolts

M5x100 - A2 (10)
M5 Stainless Steel Cup Square Carriage Bolts Cover
M5 (5mm x 100mm) Cup Square Carriage Bolt (Fully Threaded) - Stainless Steel (A2) (Pack of 10)

The Singularity Supplies Carriage Bolts are made from durable stainless steel, ensuring long-lasting performance. The mushroom dome head design provides a clean finish, making it ideal for visible applications. With a square neck, these bolts lock securely in place, preventing any loosening over time. Measuring at 5mm x 100mm, they adhere to the ISO 965 standard for tolerance, which guarantees reliable sizing and compatibility with your projects. These features offer you convenience and peace of mind, knowing your fixtures will remain secure and stable.

What We Like
Durable stainless steel construction
Mushroom dome head design
Square neck for secure locking
ISO 965 standard compliance
#TOP 3

M6 Cup Square Carriage Bolt Pack of 10

HXX-HX-173
M6x60 - A2 (10)
M6 Cup Square Carriage Bolt Pack of 10 Cover
M6 (6mm x 60mm) Cup Square Carriage Bolt (Fully Threaded) - Stainless Steel (A2) (Pack of 10)

The M6 Carriage Bolt Pack is an ideal choice for various fastening needs. Featuring a mushroom or dome head type, these bolts provide a secure grip and an aesthetically pleasing finish. Made from durable stainless steel, they offer excellent corrosion resistance, ensuring long-lasting performance in different environments. The square neck design allows for locking in place, giving you peace of mind that your constructions will remain stable. With measurements adhering to the ISO 965 standard, you can trust the accuracy and reliability of these bolts for your projects.

What We Like
Durable stainless steel material
Secure square locking neck
Aesthetically pleasing dome head
Accurate ISO standard measurements
#TOP 4

M10 Fully Threaded Stainless Steel Carriage Bolts

M10x35 - A2 (10)
M10 Fully Threaded Stainless Steel Carriage Bolts Cover
M10 (10mm x 35mm) Cup Square Carriage Bolt (Fully Threaded) - Stainless Steel (A2) (Pack of 10)

The Singularity Supplies Carriage Bolts are expertly designed with a dome head type that enhances grip and support in various applications. Made from durable stainless steel, they offer excellent resistance to corrosion, ensuring longevity in outdoor environments. The square neck provides a locking feature that prevents rotation, giving you peace of mind during installations. Additionally, these bolts meet the ISO 965 standard for tolerances, which guarantees reliable performance in your projects.

What We Like
Durable stainless steel material
Square neck for secure locking
Meets ISO 965 tolerance standards
Versatile for various applications
#TOP 5

M8 Stainless Steel Cup Square Carriage Bolt

M8x60 - A2 (10)
M8 Stainless Steel Cup Square Carriage Bolt Cover
M8 (8mm x 60mm) Cup Square Carriage Bolt (Fully Threaded) - Stainless Steel (A2) (Pack of 10)

The M8 Cup Square Bolt is a reliable fastening solution for your projects. With its mushroom dome head, it provides a neat finish while ensuring easy installation. Made from durable stainless steel, this bolt is resistant to corrosion, making it ideal for both indoor and outdoor use. The square neck design offers a locking mechanism that prevents rotation, ensuring a secure fit. This combination of features makes the M8 Cup Square Bolt a convenient choice for any DIY enthusiast or professional tradesperson.

What We Like
Durable stainless steel material
Neat mushroom dome head
Secure square neck design
Corrosion-resistant for outdoor use
#TOP 6

M5 Stainless Steel Cup Square Carriage Bolt

M5x45 - A2 (10)
M5 Stainless Steel Cup Square Carriage Bolt Cover
M5 (5mm x 45mm) Cup Square Carriage Bolt (Partially Threaded) - Stainless Steel (A2) (Pack of 10)

The Singularity Supplies Carriage Bolt is a reliable choice for your fastening needs. With its mushroom/dome head type, it provides a sleek finish while ensuring a secure grip. Made from stainless steel, it offers excellent corrosion resistance, making it ideal for outdoor use. The square neck design locks into place, preventing any rotation during installation, which adds convenience. Additionally, it meets ISO 965 standards for tolerance, ensuring consistent quality that you can trust.

What We Like
Corrosion-resistant stainless steel
Secure square neck design
ISO 965 standard tolerance
Sleek mushroom head type
Pack of 10 for value
Buying Guide Image
Editor's Notes

During our Singularity Supplies carriage bolt research, we found 6 Singularity Supplies carriage bolt products and shortlisted 6 quality products. We collected and analyzed 15,298 customer reviews through our big data system to write the Singularity Supplies carriage bolts list. We found that most customers choose Singularity Supplies carriage bolts with an average price of £5.49.

The Singularity Supplies carriage bolts are available for purchase. The top 6 picks range in price from a low of £5.00 to a high of £5.00, find the one that fits your budget. The seller of top 1 product has received honest feedback from 675 consumers with an average rating of 4.9.

Written by
Corey Phillips Avatar

Corey Philips is an electrician and lighting expert. He graduated from the University of Birmingham in 2012 with a Bachelor's degree in electrical and electronics engineering. Corey is a specialist contractor in lights. He sells and installs and recommends lights and lamp sheds, and other lights accessories. Aside from that, Corey is vast in installing and maintaining electrical appliances like air conditioners, water heaters, and the likes.