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Welcome to Sierra Pacific Engineering & Products

Latches, Hinges & Custom Access Hardware

Sierra Pacific Engineering and Products (SPEP) has been the premier business to business supplier of latches, hinges, and access hardware solutions for more than 30 years. We specialize in creating innovative, high-quality latches, hinges, hasps, pull knobs, handles, cam locks, and custom access hardware at competitive prices.

Custom Access Hardware Manufacturer

In addition to a full catalog of trusted, turnkey access hardware products, our patented design engineers regularly work with our clients to design custom hardware to perfectly suit any application. Whether you’re looking for custom hinges, locks, or any other piece of hardware, our team will work with you to understand your key priorities and delivery needs, then create a finished product that satisfies the requirements of the job while minimizing weight, complexity, and cost.

Contact Your Custom Hardware Manufacturer

Not sure where to start? We are a product development company with extensive manufacturing capabilities; supporting product design/engineering, prototyping, 3D printing, supply chain management, packaging design, and high-quality manufacturing, including special processes (plating, electropolishing, powder coat, and more).

Hardware for Any Industry

At SPEP, we offer a catalog of more than 4,000 hardware products serving virtually any industry. Our access hardware is regularly employed in a variety of industries, including:

  • HVAC 
  • Truck & Trailer 
  • Marine & Watercraft 
  • NEMA/JIC Enclosures
  • Sheds & Spray Booths

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.