Backed by nearly four decades of commercial hardware experience, Sierra Pacific Engineering and Products (SPEP) is your go-to supplier for enclosure hardware, including products designed for cabinets. With over 80 patents, we provide expertly-crafted industrial cabinet knobs, drawer pulls, hinges, and more backed by ISO certification and rigorous quality control protocols.
Our cabinetry applications include:
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What Sets Our Commercial Cabinet Hardware Apart
At SPEP, we deliver the best results by valuing safety, durability, and compliance as much as aesthetics. Compared to the competition, our innovative hardware stands out for:

Safety-Certified for Commercial Use
Both ISO-certified, UL Listed, and UL Recognized, our cabinet hardware offers ideal durability and safety for industrial and commercial applications. Even before you make an order, every product goes through rigorous in-house testing and meets ISO 9001 standards.
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Patents Powered by Innovation
With over 80 patents consistently updated and improved by our expert engineers, our commercial cabinet hardware reflects nearly four decades of engineering prowess and innovation.
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Fully Customizable Hardware Solutions
At the center of every project are highly-personalized details, and from custom handles to cabinet-specific latches, we’re experts in developing the exact, custom part you need. We utilize the latest technologies, including SolidWorks CAD and FEA tools, to guarantee perfectly-customized hardware.
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100% Employee-Owned
Sierra Pacific Engineering and Products (SPEP) is a 100% employee owned company. Our entire team is heavily invested in the company’s success, which creates a culture focused on surpassing customer expectations.
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Supply Chain Reliability
As the premier source for B2B commercial cabinet hardware, we manage the supply chain for our OEM & Distributor clients to stay ahead of demand and maintain local inventory to mitigate lead times.
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Rapid Prototyping Capabilities
When you need a unique part, our in-house 3D printing allows for the fastest and most accurate design iterations and prototyping. Plus, our this technology can help us remember your custom parts for later orders.
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Frequently Asked Questions: SPEP
What types of customers does SPEP work with for commercial cabinet hardware?
SPEP sells commercial cabinet hardware business-to-business (B2B). We’re the experts in supporting OEM customers with high-quality cabinet hardware. We are a perfect match for any company that uses high volumes of parts and/or is a repeat producer of products that require hinges, latches, handles, locks, and other similar items.
Our engineering, manufacturing, and distribution strengths provide a valuable resource to our customers. We regularly assist in product development, product improvement, and developing supply chain programs to service the demand of our customers.
Do you sell cabinet hardware to the general public?
Can I customize my cabinet hardware?
Absolutely. At SPEP, we employ a talented team of engineering professionals who can assist with all of your hardware customization needs. From scaling up (or down) existing hardware to designing something truly unique, we do it all.
Our custom design process promotes efficiency and long-term project success, while also staying true to your ideal aesthetic. During our collaborative process, we’ll work closely with your team to better understand your commercial cabinet needs. Once you approve the hardware prototypes, we can put the components into production and provide a fast turnaround time on your order.
How do I install or replace my cabinet hardware?
Is there a minimum order requirement for cabinet hardware?
Are you ISO certified?
How can I place an order for cabinet hardware with SPEP?
- Emailing order@spep.com
- Calling (800) 433-5554
- Faxing (800) 301-8522
Does SPEP accept will call orders for cabinet hardware?
What are SPEP’s hours of operation?
Can I place a cabinet hardware order after business hours?
How are prices determined?
Can I pay using a credit card?
Does SPEP offer high-volume pricing for cabinet hardware?
What is SPEP's policy on over-runs and under-runs?
What shipping method do you use for cabinet hardware?
SPEP prefers to ship cabinet hardware products “freight collect” using any carrier our customers specify. In the absence of specific shipping instructions, we will use our own discretion in choosing a carrier.
SPEP assumes no responsibility for any such damage or loss or for transportation delays. We are also not responsible for insuring shipments unless specified by the customer, in which event such insurance shall be based on the customer’s valuation and at the customer’s expense. All claims for damage and loss, whether apparent or concealed, shall be filed by the customer with the carrier. Shortages and/or damage must be noted at the time of delivery.
Does SPEP accept international orders for cabinet hardware?
How long will it take to receive my cabinet hardware order?
How long it takes to receive your cabinet hardware order will depend on when it was placed and the due date referenced in your purchase order. If no due date is given, your order will be shipped ASAP.
Upon receiving your order, SPEP provides an order acknowledgement with an estimated ship date. Any shipment date specified shall be the date of shipment from our plant. Shipment dates given by our order desk are estimates unless otherwise indicated.
Delivery may be subject to delays caused by strikes, fires, floods, accidents, pandemics, or any other cause beyond our control, including delays in the delivery of material to SPEP by third parties.
Can I change my cabinet hardware order?
Can I cancel my cabinet hardware order?
What is your warranty policy for cabinet hardware?
SPEP guarantees defect-free materials and workmanship for 120 days from delivery. If a product is found to be defective, we will approve returns with an R.M.A. number and may replace or refund the item.
PLEASE NOTE that this warranty does not cover damage from misuse, improper installation, or environmental wear. SPEP is not responsible for removal, reinstallation, or incidental costs. No additional warranties, express or implied, apply.
What is your return policy for cabinet hardware?
If returns are necessitated due to errors of SPEP, the customer must obtain an R.M.A. Once obtained, SPEP will cover the cost.
If the customer made an error, only unused catalog items may be returned within 30 days through prior approval, an R.M.A., prepaid shipping, and a 20% restocking fee (minimum $25). Special orders cannot be returned unless defective.