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Item #:
5716091
Prime-Line U 9553 Stainless Steel Lock and Door Reinforcement Plate for 1-34 In. Thick Doors, Stainless Steel Finish Single Pack
Item #:
5716091
USD 28
Price Details
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*All items will import from US
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Imported from USA store
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Order now and get it around Monday, August 31
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Reinforce and repair doors with this stainless steel device to prevent forced entry by reinforcing the weak spot of entry doors. Easy to install and fits both metal and wood doors
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What Stands Out
Durable Construction
Made from high-quality stainless steel, this reinforcement plate ensures long-lasting durability and resistance to wear, providing peace of mind against forced entry.
Easy Installation
Designed for straightforward installation on 1-3/4 inch thick doors, this product simplifies the reinforcement process, requiring minimal tools and expertise.
Enhanced Security
Improves door security significantly by distributing lock stress and preventing break-ins, making it an essential upgrade for residential safety.
Product Details
- Constructed of stainless steel
- Fits 1-3/4 inch thick doors, 2-1/8 inch bores, 2-3/8 inch backset
- Reinforces and repairs doors to prevent forced entry
- Accommodates key-in knob locksets with 2-1/8 inch bore size
- Features a recessed latch plate pocket for flush installation
- Comes with all installation fasteners
Who Should Buy?
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Homeowners
Ideal for homeowners seeking enhanced security for their doors against forced entry and break-ins.
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Property Managers
A great choice for property managers needing to improve security in multiple rental properties quickly.
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DIY Enthusiasts
Perfect for DIY enthusiasts who want to add a professional touch and extra durability to their door installations.
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Thin Doors
Not suitable for doors less than 1-3/4 inches thick, limiting its application to thicker door types.
Product Description
Prime-Line U 9553 Stainless Steel Lock and Door Reinforcement Plate for 1-34 In. Thick Doors, Stainless Steel Finish Single Pack
Have any Query? Chat with us
Customer Questions & Answers
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Question:
What is the purpose of the Defender Security U 9553 Door Reinforcer?
Answer: The Defender Security U 9553 Door Reinforcer is designed to enhance the security of your door. It reinforces the lock area, making it more difficult for intruders to kick in or force open the door. The stainless steel construction provides durability and strength, which is essential in resisting tampering. This product is particularly useful for exterior doors that might be vulnerable to forced entry, providing an added layer of security for your home or office. -
Question:
What dimensions does the Defender Security U 9553 feature?
Answer: The Defender Security U 9553 measures 1-3/4 inches in height and 4-1/2 inches in width. It has a single bore diameter of 2-1/8 inches and accommodates a backset of 2-3/8 inches. These measurements ensure compatibility with standard door sizes, allowing it to fit naturally into most existing door frames without extensive modifications. This means you can enhance the security of your door without needing custom adjustments. -
Question:
Can the Defender Security U 9553 be installed on any door type?
Answer: The Defender Security U 9553 is compatible with most standard exterior doors, particularly those with a single bore hole and a 2-3/8 inch backset. However, it may not be suitable for doors requiring a different bore size or backset component. Before installation, it's crucial to measure your door's specifications to ensure a proper fit. For best results, this reinforcer works well in high-traffic or vulnerable entry points. -
Question:
What is the material of the Defender Security U 9553?
Answer: The Defender Security U 9553 is constructed from high-quality stainless steel. This material offers exceptional resistance to corrosion and rust, ensuring longevity and dependability over time. Stainless steel is also known for its strength, making it an ideal choice for reinforcing door locks and hinges. The durability provided by this material means that you can trust your lock reinforcer to withstand wear from daily use and external elements. -
Question:
Does the Defender Security U 9553 come with installation instructions?
Answer: Yes, the Defender Security U 9553 typically includes clear installation instructions to guide you through the process. Following these instructions carefully can help ensure a successful installation. The detailed guide covers all essential steps and might also include tips for optimizing both security and fit. This is particularly helpful for DIY enthusiasts or anyone looking to simplify their home security upgrades. -
Question:
Is the Defender Security U 9553 suitable for residential or commercial use?
Answer: The Defender Security U 9553 is versatile and suitable for both residential and commercial applications. Its robust construction and effective design enhance security in various environments, whether it is a home, office, or rental property. Enhancing door security in high-traffic areas, such as businesses or main entry points in homes, can significantly benefit from this durable lock reinforcer. -
Question:
How does the Defender Security U 9553 improve door security compared to standard locks?
Answer: Standard locks offer basic security but can often be compromised easily through forced entry techniques. The Defender Security U 9553 adds significant reinforcement to the lock mechanism, making it much more challenging to breach. By absorbing and distributing force more effectively, it reduces the risk of door failure during an attempted break-in. This added protection is especially relevant for homes in high-crime areas or for individuals concerned about security. -
Question:
What is the installation process for the Defender Security U 9553?
Answer: Installing the Defender Security U 9553 typically involves removing the existing lock, placing the reinforcer over the bore hole, and securing it with screws as per the provided instructions. It’s recommended to use a drill and appropriate tools for an effective installation. Taking your time during setup ensures that the reinforcer aligns correctly with the door and lock mechanism, maximizing its effectiveness. Such a process may appeal to DIY enthusiasts looking to enhance their home security. -
Question:
Where can I buy the Defender Security U 9553 in Palau?
Answer: You can purchase the Defender Security U 9553 at Ubuy, a reliable e-commerce platform known for its vast selection of home improvement products. They offer a user-friendly shopping experience, allowing you to easily find and acquire this door reinforcer online. Shopping with Ubuy ensures that you have access to product details and customer reviews to help you make an informed purchasing decision.
Defender Security Lock Replacement Parts Editorial Review
The Defender Security U 9553 Lock and Door Reinforcer is a stainless steel product suitable for 1-3/4 inches wide doors. It comes with screws and is good for fully damaged doors. The recessed rectangle has threaded holes that help hold the plate to provide added security for your home. Although one customer complained of an opened package and an apparent used product, the majority of customers deemed it a good quality and good value product.
Customer Reviews & Ratings
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Pros
- Good quality
- Good value
- Comes with screws
- Suitable for 1-3/4 inches wide doors
- Can be used to cover damages and reinforce doors
Cons
- May not fit freakishly thin doors
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Mohammad
Verified buyer
“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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Chitra
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“The order and delivery progress was communicated very well. Package arrived within the estimated time. Products arrived as expected in good condition.”
22-Jul-26 · via Trustpilot
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“Good supply of products. Safe payment methods, and shipment worldwide! Genuine products.”
23-Jul-26 · via Trustpilot
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“Was my first time buying a product from Ubuy, but I found it so helpful. This is reliable. Gonna place a new order!”
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23 July 2026 · via Trustpilot
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USD 28
Order now and get it around Monday, August 31
This item is not restrict in my country.(Please click on above link if this item is not restrict in your country, So our team will review and allow.)
QTY:
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PCI DSS compliant and ISO 27001:2022 certified, with encrypted payments and full buyer protection on every order.
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Fastest cross-border delivery
Features & Benefits
- Reinforce and repair doors to prevent forced entry with stainless steel device
- Easy to install and fits both metal and wood doors
- Assists in preventing forced entry by reinforcing the weak spot of an entry door
- Accommodates key-in knob locksets on doors
- Width of door guard is 3-7/8 in, It is 4-1/2 in. tall
- Installation fasteners are included
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