Why I Switched to Double Cylinder Door Knobs Keyed on Both Sides: My Expert Opinion and Experience

When it comes to securing our homes, every detail matters, and one often-overlooked element is the door knob. I’ve found that a double cylinder door knob keyed on both sides is not just a functional accessory, but a pivotal feature that significantly enhances the safety and security of a space. Imagine having the ability to lock and unlock your door from both the inside and outside with a key, providing an added layer of protection against intruders. This type of door knob serves as a practical solution for various situations, especially for those living in homes with glass panels or doors. In this article, I’ll explore the unique benefits, design considerations, and practical applications of double cylinder door knobs keyed on both sides, ensuring that you have all the information you need to make an informed decision about your home security.

I Tried Out The Double Cylinder Door Knob Keyed Both Sides and Here Are My Honest Recommendations

1. Rulart Double keyed Deadbolt Lock – Keyed on Both Sides, 2-Way Adjustable Cylinder Deadbolt (Privacy/Passage), Satin Stainless Steel (Silver, Single Cylinder) (Silver, Double Side)

As I delve into the features of the Rulart Double Keyed Deadbolt Lock, I can’t help but appreciate the blend of security, functionality, and convenience it offers. In a world where safety is paramount, this lock stands out as a reliable choice for anyone looking to enhance their home security. The dual-key feature allows for locking and unlocking from both sides, which is particularly beneficial for those who may want to secure a room or entry point without the hassle of a single-sided lock. I find this functionality especially appealing for homes with children or for those who value privacy in their personal spaces.

One of the most commendable aspects of the Rulart deadbolt lock is its excellent function. It operates seamlessly by turning either the outer or inner key, providing an added layer of convenience. The hard latch mechanism not only enhances security but also ensures that I can confidently lock up without worrying about potential vulnerabilities. Knowing that each key is unique adds to my peace of mind, as it ensures that unauthorized copies cannot easily be made, making it a solid investment for anyone seeking to bolster their home security.

The extra security features of this deadbolt lock are particularly noteworthy. With a solid copper cylinder keyhole and a robust steel latch, this lock is designed to withstand both tampering and wear over time. The anti-pry and anti-collision functions are crucial for anyone living in an area where security could be a concern. I believe that such features are vital for individuals who prioritize protecting their home and privacy, offering reassurance that their living space is safeguarded.

Another fantastic aspect is the adjustable backset, which accommodates a range of door thicknesses from 35 mm to 50 mm (1-3/8″ to 2″). This adaptability means that whether I have a standard door or a thicker one, the Rulart deadbolt can fit perfectly. Moreover, the adjustable latch suits back plates with either 60 mm (2-3/8″) or 70 mm (2-3/4″), making it versatile for various installation scenarios. Such flexibility is a significant advantage, especially for those who may have multiple doors requiring different specifications.

What I truly appreciate is how easy this lock is to install. With just a screwdriver, I can set it up in a matter of minutes. This simplicity not only saves time but also eliminates the need for hiring a professional, ultimately saving money in the process. For anyone who may be hesitant about DIY projects, I assure you that the Rulart deadbolt lock makes the installation experience incredibly straightforward.

Lastly, the reassurance of a reliable customer service team adds to the appeal of this product. The commitment to assist customers within 24 hours if there are any questions or concerns about the lock shows a dedication to customer satisfaction. This level of support makes me feel more confident in my purchase, knowing that help is just a message away if needed.

if you’re looking for a dependable, secure, and easy-to-install deadbolt lock, I would highly recommend the Rulart Double Keyed Deadbolt Lock. Its combination of security features, functionality, and ease of installation makes it a fantastic choice for anyone looking to enhance their home’s safety. Don’t wait any longer—invest in your peace of mind today!

Feature	Description
Locking Mechanism	Keyed on both sides for enhanced security and privacy.
Material	Solid copper cylinder and solid steel latch for durability.
Security Features	Anti-pry and anti-collision functions for added protection.
Adjustable Backset	Fits door thickness from 35 mm to 50 mm.
Ease of Installation	Can be installed with just a screwdriver in minutes.
Customer Support	24-hour service for any inquiries or issues.

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2. Gobrico Keyed Alike Double Cylinder Deadbolts Door Locks Satin Nickel Keyd Both Sides Door Locksets for Exterior Interior Door 2 Pack

When it comes to securing my home, I place a high priority on safety and convenience. That’s why I’m genuinely impressed with the Gobrico Keyed Alike Double Cylinder Deadbolts. These locks are not just an ordinary addition to my door hardware; they represent a significant upgrade in security for both my interior and exterior doors. The satin nickel finish provides a modern and sleek aesthetic that complements any door style, making it an ideal choice for homeowners who appreciate both functionality and design.

One of the standout features of these locks is the keyed-alike system, which allows me to use the same key for both deadbolts. This is incredibly convenient! I no longer have to fumble through multiple keys when I’m coming home after a long day. With six keys included, I can easily share them with family members or trusted friends without worrying about losing track of who has which key. This feature particularly appeals to those of us who value ease of access without compromising safety.

The dual cylinder design means that I can lock and unlock the deadbolt from both sides using a key. This is a crucial feature for exterior doors, especially if I want to ensure that my home is secure from any unwanted entry points. The peace of mind that comes from knowing I can easily lock my doors from either side is invaluable. Whether I’m inside my home or stepping out for a quick errand, I can trust that my property is safeguarded.

Installation is another area where the Gobrico locks shine. I appreciate how straightforward it is to install these deadbolts with just a Phillips screwdriver. They fit seamlessly into existing, standard pre-drilled doors, meaning I can enhance my security without the need for a professional locksmith. The adjustable latch accommodates various door thicknesses, making it versatile for different home configurations. Plus, the fact that it works for both left and right-handed doors means I don’t have to worry about compatibility issues.

To give you a clearer overview of the product features, here’s a table summarizing the key points

Feature	Description
Finish	Satin Nickel
Keying	Keyed alike (same key for both deadbolts)
Included Keys	6 keys for 2 deadbolts
Operation	Lock and unlock using a key from both sides
Installation	Easy installation with a Phillips screwdriver
Adjustable Latch	2-3/8″ or 2-3/4″ (60mm or 70mm)
Compatibility	Fits standard doors 1-3/8″ to 1-3/4″ thick
Latch Plate	Square and non-removable

the Gobrico Keyed Alike Double Cylinder Deadbolts are an excellent investment for anyone looking to enhance their home security without sacrificing style or convenience. I wholeheartedly recommend these locks to anyone who values safety, ease of use, and a sleek look. With their user-friendly installation and reliable functionality, I feel confident that I’ve made a wise choice in securing my home. If you’re on the fence about upgrading your locks, I encourage you to take the plunge—your peace of mind is worth it!

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3. Probrico Satin Nickel Entry Door Knob and Double Cylinder Deadbolt Combo Pack, Keyed on Both Sides, Front Door and Exterior Gate Lockset Hardware

When I first came across the Probrico Satin Nickel Entry Door Knob and Double Cylinder Deadbolt Combo Pack, I was genuinely impressed by its thoughtful design and practical features. Security is paramount for anyone, whether you are a homeowner, a renter, or managing a property, and this lockset addresses those concerns head-on. The combination of the entry door knob and the double cylinder deadbolt provides a robust solution for protecting what matters most to me—my home and loved ones.

One standout feature of this product is the double cylinder deadbolt. Unlike traditional single-cylinder deadbolts, this lock can be secured from both sides with a key. This is particularly beneficial for homes with glass panels near the door or for those who want an extra layer of security for exterior gates. I appreciate that it allows me to lock my door securely, giving me peace of mind when I’m away from home. The heightened security it offers makes it a fantastic choice for office buildings or any location where safety is a top priority.

Another feature that caught my attention is the convenience of having the same keys for all locksets. If I were to purchase multiple sets—up to 12, in fact—I could use a single key for all of them. This eliminates the hassle of fumbling with different keys and makes it easier to keep track of them. Imagine having a seamless experience when entering different parts of my home or various properties. It’s a small detail that can save me time and frustration.

The aesthetic appeal of this lockset is also noteworthy. The satin nickel finish gives a modern touch that complements both contemporary and traditional home décor. Whether my home is a sleek, modern design or a classic Victorian style, this combination of door lever and deadbolt can enhance its overall look. I can visualize how it would transform the entrance of my home, making it more inviting and stylish.

Moreover, the Probrico lockset is designed to accommodate a wide range of door thicknesses, fitting doors from 1-3/8 inch to 1-3/4 inch. The adjustable backset of 2-3/8 inch or 2-3/4 inch adds to its versatility, ensuring that it can be easily installed in various door types. I value products that offer flexibility and ease of installation, as it means less hassle for me during setup.

Quality is another area where this product shines. With ANSI Grade 3 verification and the ability to withstand over 200,000 cycles, I feel confident in the durability and longevity of this hardware. It reassures me that I’m making a wise investment in my home’s security. Plus, Probrico’s commitment to customer service means I can reach out if I encounter any issues, adding an extra layer of confidence in my purchase.

the Probrico Satin Nickel Entry Door Knob and Double Cylinder Deadbolt Combo Pack is an excellent choice for anyone looking to enhance their home security while also adding a touch of elegance to their entryway. Its thoughtful features, stylish design, and robust quality make it a standout option in the market. I highly encourage anyone considering a new lockset to give this product serious thought. It’s not just about securing your home; it’s about investing in peace of mind.

Feature	Description
Double Cylinder Deadbolt	Locks and opens with keys from both sides, ideal for higher security needs.
Same Keys for All Locksets	Convenience of using a single key for multiple locksets.
Application	Stylish design suitable for various home décors.
Steel Adjustable Latch	Fits doors from 1-3/8 inch to 1-3/4 inch with adjustable backset.
Quality Ensured	ANSI Grade 3 verified, exceeds 200,000 cycles for durability.

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4. Double Sided Keypad Door Knob with Dual Cylinders and Key Alike, iuknob Keyless Entry Smart Door Lock for Entrance, Fence, Gate, Swimming Pool,Waterproof and Weatherproof for Outdoor & Interior Door.

I recently came across the Double Sided Keypad Door Knob with Dual Cylinders and Key Alike by iuknob, and I must say, it’s an impressive piece of technology that stands out in the market of smart door locks. This product not only enhances the security of your home or property, but it also brings a level of convenience that many traditional locks simply cannot offer. With features designed for both outdoor and indoor use, it is a versatile option for anyone looking to upgrade their security systems.

The two-way security feature of this keypad door knob is truly remarkable. With keypads and cylinders on both sides, I can easily access my property from either direction without the hassle of fumbling for keys. This is especially useful if I’m carrying groceries or my hands are otherwise occupied. The fact that both sides use identical keys means I can simplify my access system without compromising on security. Additionally, the backlit keypad is a thoughtful touch, making it easy to operate at any time of day or night. With the ability to store up to 50 access codes per keypad, I can easily manage who has access to my home without needing to make copies of physical keys.

Another feature that caught my attention is the flexible settings for locking. The automatic locking option can be programmed to engage anywhere from 2 seconds to 12 hours after closing the door, which is fantastic for busy households. Alternatively, if I expect a lot of foot traffic, I can disable the auto-lock feature altogether. This adaptability makes it perfect for various environments, whether it’s my home entrance, a commercial office, or even a medical facility. The product truly caters to a wide range of needs, ensuring that security remains a priority without sacrificing convenience.

Password synchronization is another standout feature. I appreciate that any changes made to the access code on one side of the lock are automatically updated on the other side. This saves me from the hassle of updating codes manually, especially in a busy household where multiple people might need access. Plus, the anti-peeping user code protection adds an extra layer of security, ensuring my codes remain confidential. With a low battery beep and a Type-C USB charging port for emergencies, I feel reassured that I won’t be left stranded due to dead batteries.

Durability is a key consideration for any outdoor lock, and this keypad door knob excels in this area as well. Made from high-quality zinc alloy with an electroplated coating, it’s designed to withstand the elements. With an IPX6 rating for waterproof technology, I can rest easy knowing that it will perform well in various weather conditions, whether it’s freezing temperatures or sweltering heat. This is particularly beneficial for garden gates, fence doors, and even swimming pool entries, where exposure to the elements is inevitable.

The versatility of this product is noteworthy, fitting all metal or wooden doors with thickness ranging from 1-3/8″ to 2-3/4″. This makes it an excellent choice for a variety of applications, including community entrances, public access points, and even libraries or warehouses where secure, bi-directional control is necessary. Additionally, the manufacturer backs this product with a 1-year warranty and offers lifetime after-sales customer service along with 24/7 online technical support, which speaks volumes about their commitment to customer satisfaction.

Feature	Description
Two-way Security	Keypads and cylinders on both sides with identical keys for easy access.
Flexible Settings	Customizable locking options (auto/manual) for varying foot traffic.
Password Synchronization	Automatic updates to codes on both sides; anti-peeping protection.
Durability	High-quality zinc alloy, waterproof IPX6 rating, temperature resistant.
Versatile Use	Fits metal/wooden doors; suitable for various applications.
Customer Support	1-year warranty, lifetime support, 24/7 technical assistance.

the Double Sided Keypad Door Knob with Dual Cylinders from iuknob is a smart investment for anyone looking to enhance their security while enjoying the convenience of keyless entry. Its robust features cater to a variety of needs, making it suitable for both residential and commercial use. I genuinely believe that this product will not only meet but exceed your expectations. So, if you’re in the market for a reliable, user-friendly

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Why a Double Cylinder Door Knob Keyed Both Sides is Essential for My Security

As someone who prioritizes home security, I find that a double cylinder door knob keyed on both sides offers an extra layer of protection that I truly value. With this type of lock, I can secure my home more effectively, especially for doors with glass panels. The fact that I can’t simply break the glass to unlock the door provides peace of mind that my home is safeguarded against unwanted entry. Knowing that my family and belongings are safe gives me a sense of comfort that I really appreciate.

Additionally, I love the versatility that comes with a double cylinder door knob. It allows me to have control over my entrances, whether I’m inside or outside. For instance, if I’m working in my yard and need to ensure no one can enter without my knowledge, I can lock the door from the inside and keep it secure. This feature is especially useful during times when I might be distracted or busy, giving me the freedom to focus on what I’m doing without worrying about unexpected visitors.

Moreover, I’ve found that having a double cylinder lock enhances my ability to manage access during gatherings or when I have service personnel in my home. I can easily lock the

Buying Guide: Double Cylinder Door Knob Keyed Both Sides

Understanding Double Cylinder Door Knobs

When I first encountered double cylinder door knobs, I was curious about their unique design. Unlike traditional knobs, these have a keyhole on both sides, allowing me to lock or unlock the door from either side. This feature can be beneficial for external doors where security is a top concern.

Security Considerations

I always prioritize security when choosing door hardware. Double cylinder knobs provide an added layer of protection, as they require a key for both entry and exit. This makes it more difficult for potential intruders to gain access, especially if they can reach through a window or other openings to unlock a standard knob.

Installation Process

When I installed my first double cylinder door knob, I appreciated how straightforward the process was. Typically, it involves removing the existing hardware, ensuring the door is prepped correctly, and following the manufacturer’s instructions. I recommend having the right tools handy, like a screwdriver and a drill, to make the installation smooth.

Material and Durability

I quickly learned that the material of the door knob affects its durability and overall appearance. Most double cylinder knobs are made from metal, which can range from brass to stainless steel. I prefer options that offer a good balance between aesthetic appeal and resistance to wear and tear.

Style and Finish Options

Choosing the right style and finish can enhance my home’s curb appeal. I’ve found that double cylinder knobs come in various designs, from sleek modern looks to more traditional styles. Finishes like polished chrome, oil-rubbed bronze, or matte black can complement my door and home decor beautifully.

Keying Options

One aspect I found important was the keying options available. Some models allow for rekeying, which means I can change the locks without replacing the entire knob. This flexibility is especially useful when I want to enhance security after moving into a new home or after losing a key.

Price Range and Budgeting

I’ve noticed that the price of double cylinder door knobs can vary significantly based on brand, material, and features. Setting a budget beforehand helped me narrow down my choices. I found that while I could get a basic model for a lower price, investing a bit more often resulted in better durability and security features.

Final Thoughts

In my experience, choosing a double cylinder door knob keyed on both sides was a decision I didn’t take lightly. I considered factors like security, installation, materials, and style. By doing thorough research and assessing my needs, I ensured that I made a well-informed choice that enhanced both security and aesthetics for my home.

Author Profile

Kevin Garza

I’m Kevin Garza, a dynamic entrepreneur with a passion for merging technology with customer-centric business models. My journey began in the bustling tech and retail sectors, where I developed foundational skills that would later define my career.

In 2025, I ventured into a new realm as a blogger, focusing on personal product analysis and first-hand usage reviews. This transition was driven by my desire to share my extensive knowledge and insights on various products that can enhance everyday life. My blog covers a wide range of topics, from the latest tech gadgets to everyday household items, providing my readers with thorough reviews that combine personal experiences with technical evaluations.

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