High-Quality Door Stopper for Industrial and Commercial Applications

Sierra Pacific Engineering and Products (SPEP) sells business-to-business (B2B). We’re the experts in supporting OEM customers with high-quality industrial hardware, like door stoppers. 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.

No, SPEP does not sell door stoppers to the public, as we are not a retail establishment. We sell business-to-business (B2B) only. If you need a source for SPEP products in small quantities, we encourage you to visit our partner, Hard-To-Find Hardware at www.HTFHardware.com.

Yes! SPEP is ISO 9001:2015 certified. You can learn more about this on the About Us page of our website.

Door stoppers, often referred to as door holders, are designed to keep doors open rather than closed. They accomplish this by using a rod paired with a plunger and socket (or a keeper) to secure the door in an open position. This prevents doors from slamming shut during instances of wind, severe weather, or simply uneven surfaces.

Heavy-duty door stoppers are most often used in industries like manufacturing, warehousing, transportation, and logistics, but can also be useful in other settings. Additionally, door stoppers are a necessity for many types of vehicles. SPEP door stoppers are commonly used in RVs, trailers, and trucks.

SPEP has a vast collection of door stoppers available in a wide variety of materials customized to your business. If nothing in our catalog fits your needs, our engineering team can design a custom door stopper specifically for you.
Available material options include:

• Aluminum: Lightweight and corrosion-resistant
• Plastic: Cost-effective and non-corrosive
• Steel: Strong and durable for general use
• Stainless Steel: Ideal for high-moisture or corrosive environments

We also offer nylon and rubber socket components for added grip and flexibility. Whether you need an off-the-shelf solution or a custom design, SPEP is ready to help. Contact us today.

Yes, all of SPEP’s door stoppers are durability-tested. We are committed to upholding the highest standards and closely inspecting the hardware of every shipment before it leaves our facility. By conducting rigorous testing and quality control, we ensure that your components meet or exceed industry standards, including ISO certifications.
Don’t settle for less when it comes to industrial latches and access hardware. Give your customers the very best by sourcing components from SPEP, an ISO-certified organization that prioritizes performance and reliability.

Yes, the minimum order amount for a new customer’s first purchase of door stoppers is $250. Subsequent orders have a $50 combined minimum.

Placing your door stopper order is a simple consultation away. Reach out to use via:

• Emailing order@spep.com
• Calling (800) 433-5554
• Faxing (800) 301-8522

Yes, will call orders for door stoppers are accepted, but must be called in or emailed to order@spep.com first. You’ll receive an email notification once your shipment is ready for pickup.

SPEP’s hours of operation are 8:00am to 4:30pm local time Monday through Friday at each of our three warehouses (CA, IL, & TX). Our customer service lines are open 5:00am to 5:00pm Pacific time.

Yes, door stopper orders can be placed anytime by emailing order@spep.com. We typically process orders within 24 hours, though orders received during off-hours may take longer to process.

Door stopper prices quoted or acknowledged are based on Sierra Pacific Engineering and Products (SPEP) current cost of material and labor. All of our standard pricing is based on tiered price breaks for single shipment quantities.

Yes! Customers are not required to be set up on credit terms, and can instead pay using a credit card at the time of shipment. Credit cards may also be used to pay for orders in the meantime while credit terms are being evaluated.

Yes! Special pricing beyond the standard matrix may also be available for catalog items ordered in especially high volumes. Price breaks for custom items are evaluated based on estimated annual usage (EAU) expectations and minimum order quantity (MOQ) to cover production lead times.

Unless otherwise specified, customers agree to accept over-run or under-run volumes not exceeding 10% of quantities ordered. In cases where an overrun or under-run exceeds 10%, we may request acceptance in writing from the customer.

SPEP prefers to ship door stoppers “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.

Yes, SPEP ships door stopper orders worldwide from our US-based warehouses. Under appropriate circumstances, we can even coordinate “China to China” shipments directly from the factory.

How long it takes to receive your door stopper 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.

Yes, you can change your door stopper order. Change requests made after production has started will convert the order to a time and cost of materials basis unless we’ve agreed in writing to a price revision that reflects the cost of the changes. No changes may be made without SPEP’s prior written authorization.

Any door stopper order placed with and accepted by SPEP may be canceled only with the written consent of SPEP, upon payment of all expenses already incurred on the order by SPEP prior to the effective date of cancellation.

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.

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.

You can download or view a PDF catalog right here on our website. You can also use the search function on our site to browse and filter parts by category or industry. Please contact us at (800) 433-5554 or sales@spep.com for sample and quote requests, as well as other inquiries.