Imperial Bolts

Are you looking for imperial bolts for your project? Need only the best supplies from reputable fastener experts? Here at GSS Fasteners, our team are reliable fastener suppliers who have been offering a range of high-quality imperial bolts – and imperial nut counterparts – to our customers for many years.

Imperial bolts are bolts with measurements in inches and fractions of inches, as opposed to metric measurements. These sturdy bolts come in many sizes, thread pitches, and materials, making them a versatile tool for any fastening job – be it wood, metal, or even something more exotic. These bolts are not just any ordinary hardware; they are graded and standardised, ensuring that they meet the standards set by various organisations.

If you want to know more or to arrange an order of your own stainless steel, fully threaded imperial bolts, get in touch with us now!

What Are Imperial Fasteners?

Imperial bolts are a type of fastener that are measured in inches and fractions of inches, as opposed to the more widely used metric measurements. These bolts come in various types such as hex bolts and carriage bolts, each with their unique characteristics and uses.

Hex bolts, also known as hex cap screws, have a hexagonal head and are typically used for fastening wood and metal. They have a threaded section that screws into the material being fastened, and an unthreaded section below the head that acts as a shoulder, providing added strength to the connection.

Carriage bolts, on the other hand, have a rounded head and are typically used for fastening wood. They also have a threaded section, but it is located under the head, which is designed to sit flush against the surface of the material being fastened. This provides a smooth, finished look and added security.

Both hex bolts and carriage bolts come in a range of sizes, with diameters ranging from 1/4 inch to 1 inch and lengths ranging from 1/2 inch to 12 inches. They can be made from a variety of materials such as aluminium, titanium and steel, depending on the application and strength requirements.

It is also important to note that when using these bolts, it is recommended to use washers to distribute the load and prevent damage to the material being fastened. Another important component to consider is the bolt’s head, as it can vary in shape, size and material; it also affects the way the bolt is tightened and secured. These bolts are used in a variety of applications, including:


Imperial bolts are used in the construction of buildings, bridges, and other structures to secure wood, metal, and other materials. They are also used to fasten beams, rafters, and other structural elements. The use of imperial bolts in construction ensures that the structures are stable, secure and safe.


Imperial bolts are used in the automotive industry to fasten parts such as engines, transmissions, and suspension systems. They also secure wheels, brakes, and other mechanical components. Using imperial bolts in the automotive industry ensures that vehicles are safe and reliable.


Imperial bolts are used in the manufacturing and assembly of machinery and equipment. They are used to secure gears, pulleys, and other moving parts. Using imperial bolts in machinery ensures that the equipment is safe and efficient to operate.


Imperial bolts are used to fasten furniture such as chairs, tables, and desks. They are also used to secure bed frames and other bedroom furniture. The use of imperial bolts in furniture ensures that the pieces are stable and durable.

Outdoor Equipment

Imperial bolts are used to secure outdoor equipment such as playground equipment, decks, and fences. They also secure patio furniture, umbrellas, and other outdoor accessories. The use of imperial bolts in outdoor equipment ensures that the equipment is stable and safe to use.


Imperial bolts are used in industrial applications such as oil and gas, mining, and chemical processing. They are used to secure machinery and equipment in these industries. The use of imperial bolts in industrial applications ensures that the equipment is safe and reliable.

DIY Projects

Imperial bolts are widely used in DIY projects around the house, such as building shelves, installing hardware, and attaching fixtures. The use of imperial bolts in DIY projects ensures that the projects are stable and secure.

Contact GSS Fasteners for Your Fastener Supplies Now!

Here at GSS Fasteners, we provide a range of high-quality nuts and bolts to our customers in the UK, and we offer imperial bolts that are strong, durable, and reliable! Get in touch with us now for more information! We’re only a phone call away, and can’t wait to hear from you!

Are you looking for something else? We also offer pal nuts, shear nuts, structural nuts, penny washers, taper washers, shakeproof washers, square head coachscrews, and more! We’re sure to have exactly what you need!


Frequently Asked Questions

What are threaded sections in imperial bolts and how are they different?

Threaded sections in imperial bolts refer to the portions of the bolt that contain external threads, allowing them to securely fasten with corresponding nuts. Unlike regular nuts and bolts, which typically have threads on both ends, imperial bolts feature threads only on one end, while the other end remains unthreaded. This design allows for a more flexible and adjustable fastening solution, making them suitable for various applications in construction, automotive, and manufacturing industries.

How do I choose the right imperial bolts for my next project?

Answer: When selecting imperial bolts for your next project, consider factors such as material, size, and thread type. Determine the specific requirements of your application, including load capacity, environmental conditions, and desired level of strength. Additionally, ensure that the bolts and corresponding nuts are compatible in terms of thread size and pitch. Consulting a professional or referring to industry standards and guidelines can help you make an informed decision and ensure a secure and reliable fastening solution.

Can I use a screw instead of an imperial bolt for my project?

Answer: While screws and imperial bolts share similarities, they serve different purposes and have distinct characteristics. Screws are primarily used to fasten materials together by directly engaging with the material, often creating their own threads. On the other hand, imperial bolts require the use of a nut to secure the joint. The choice between using a screw or an imperial bolt depends on the specific requirements of your project. If you need a fastener that can be easily adjusted or removed, or if you require a higher load-bearing capacity, an imperial bolt may be a better choice. However, for applications where direct engagement with the material is necessary, such as wood or thin metal, a screw would be more appropriate.