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Custom & OEM Industrial Hardware

Welcome to Sierra Pacific Engineering & Products. Your Source for Latches, Hinges & Custom Industrial Hardware.

For over 30 years, Sierra Pacific Engineering and Products (SPEP) has been the premier source for industrial hardware. We supply our business-to-business clients with component hardware such as latches, hinges, handles, hasps, cam locks, and pulls. These parts are available in many combinations of materials and finishes, and every part is offered for a competitive price.

Beyond our expansive catalog, we also specialize in designing, prototyping, and producing custom components. If our parts don’t fully match your requirements, we can design a new part through collaboration with you. When you choose SPEP, you will get the right part at the right time for the right price.

Industrial Hardware for Any Industry

The SPEP catalog includes over 4,000 distinct hardware products. We serve almost every industry and countless applications. Our parts can help you control access to vital infrastructure or ensure that your cargo is secure. If your needs aren’t fully met by the parts in our catalog, we can design and create custom parts as well.

Our products have been used for buses, crates, electronic enclosures, HVAC, marine vehicles, RVs, sheds, spray booths, trucks, trailers, and more. Whether you need hinges for your NEMA box or tie-downs for your flatbed, we have parts that will work for your needs.

Expert Custom Engineering & Rapid Prototyping

Sometimes you need your industrial hardware supply to meet exact specifications. Perhaps you need a part in a different material/finish combination, size, or shape than is standard. You may need a completely unique part for your application. Whatever your needs, the SPEP team can work with you to design and produce the part.

We have extensive experience with part design. Our capabilities include rapid prototyping techniques such as multi-jet modeling and fused-deposition modeling. We can even perform in-house load, salt spray, and cycle testing to ensure your part will meet your functional requirements.

3D Downloads for Catalog Products

To aid you with designing your products, we provide 3D models of all parts in our catalog. Simply import our models in your CAD drawings and assemblies to try out parts in your designs. This makes it easy for you to choose the right component hardware for your application online.

Why SPEP? Your Custom Hardware Manufacturer

Dependable Component Hardware

Sierra Pacific Engineering and Products provides high-quality access hardware for OEMs and distributors. We stand out among hardware suppliers due to our commitment to quality, our world-class service to our customers, and our expertise in custom part design and manufacturing. We provide a diverse selection of industrial hardware to a variety of industries. Contact us today to learn more about how we can support your business and see the SPEP difference.

New 2019 SPEP Product Catalog in Spanish

2019 Product Catalog

Our 2019 catalog is available for download. We’ve added over 600 new products!

3D model of handle

3D Models & 2D Drawings

We have models and drawings available for thousands of our products!

Engineering drawings, calipers and custom SPEP parts

Custom Engineering

Do you have a projects that requires custom engineering solutions? Let us know how we can help.

Dependable Access Hardware Products


We have been a preeminent industrial access hardware manufacturer for more than 30 years, and our catalog offers more than 4,000 access hardware products. Our products play integral roles in electronic enclosures, crates and cases, sheds, trucks, trailers, RVs, spray booths, and many other industrial applications. We offer a diverse array of access hardware solutions, including:

  • Camlocks & Other Locks
  • Door Holders
  • Tie-Downs
  • NEMA and JIC-Compliant Hardware
  • Folding Steps
  • Spring-Loaded Clips
Celebrating 34 Years in Business


Hinges, Latches, & Custom Engineered Hardware

At Sierra Pacific Engineering and Products (SPEP), we proudly manufacture high-quality industrial hardware both for OEMs and hardware distributors. We offer a diverse array of access hardware products used in a variety of industries, often working to produce custom designed and engineered hardware for our clients.