2 SPEP Hinges | Weld-On Hinges | Industrial Hardware Supply | Sierra Pacific
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Weld-On

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Industrial Quality Access Hardware

For more than 30 years, Sierra Pacific Engineering and Products has been manufacturing durable, affordable access hardware products such as handles, hinges, locks, and more. With a large inventory containing various sizes and styles, SPEP is your one-stop source for industrial hardware supply.

Durable Weld-On Hinges

Also known as barrel hinges or bullet hinges, weld-on hinges are a type of hinge commonly used for heavy doors and gates, such as those on trucks or trailers. These hinges are mounted by welding them in place — as opposed to fasteners — reinforcing their durability and allowing them to support larger amounts of weight. Weld-on hinges are perfect for use cases where a heavy door or greater reinforcement is needed. Weld-on hinges also allow for better alignment and prevent give from side to side.

Many SPEP hinges are designed with an extended weld guide, which is great for quick assembly and also helps ensure welds are aligned properly. Once aligned and welded to the surface this hinge can provide years of durable strength.

We also offer hinges that come with open wings, or welded-on brackets, to make mounting in different configurations simpler, as well as a three-piece hinge that is capable of supporting extreme weight. To support proper lubrication, we also provide weld on hinges with grease fittings allowing for easy maintenance and smooth operation.

Our weld-on hinges are produced using aluminum, stainless steel, and steel, and are available in a variety of sizes and finishes. Bushings are made using brass or stainless steel. SPEP hinge pins are available in aluminum, brass, stainless steel, or steel, in both removable and fixed pin. Weld-on hinges with removable pins can be used as “lift-off” hinges for easy removal of doors and gates or wherever else a more modular application is needed.

Custom Weld On Hinges

Can’t find the exact dimensions or material you’re looking for to fit within your project? Not a problem! Contact us and we can help you design a weld on hinge to fit your exact use case. whether its a change in material or dimensions our quick prototyping and development process can get you the exact weld on hinge you need.

SPEP — Your Top Source in Industrial Hardware Supply

At SPEP, we take immense pride in the quality of all of our access hardware products, and our ISO 9001 certification shows that commitment to quality throughout our organization. We are also a 100% ESOP company, meaning each employee holds a stake in the overall success of our business and proudly stands behind the quality of our products.

If you would like to learn more about our durable weld-on hinges — or any of our other great SPEP products — or would like assistance with an order, please contact us today!




Sierra Pacific Engineering is proud to produce a wide variety of industrial hardware including custom pieces developed via rapid prototyping and 3D printing. Many of our products are used in the following industries however serve purposes far and wide.

Trailer Parts | High Quality Bus Hardware | Crating / Cases | Electronic Enclosures | HVAC | Unique Boat and Marine Hardware by SPEP | RV | Home Improvement | Spray Booth | Truck Parts