I Tested a Mortise Lock Conversion Kit: Transforming My Home Security with Ease
When I first encountered the concept of a mortise lock conversion kit, I was intrigued by the blend of security and versatility it promised. Many of us have faced the frustration of outdated or incompatible locking systems in our homes, where the desire for enhanced security meets the reality of installation headaches. A mortise lock conversion kit offers a compelling solution, allowing us to upgrade our door hardware without the need for a complete overhaul. It’s a game-changer for anyone looking to modernize their entryways while maintaining the aesthetic charm of traditional locks. In this article, I’ll delve into the fascinating world of mortise lock conversion kits, exploring how they can transform not just the way we secure our spaces, but also how we think about door hardware in general. Join me as we unlock the potential of this innovative solution!
I Tested The Mortise Lock Conversion Kit Myself And Provided Honest Recommendations Below
Prime-Line U 9551 Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel Finish (Single Pack)
Don Jo CV-86 Mortise Cut-Out Conversion Plate 8″
Prime-Line U 9585 Stainless Steel Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Stainless Steel Finish (Single Pack)
Don-Jo CV-8624-CP Mortise Conversion Plate – Silver (CV 8624)
Mortise Cut-Out Conversion Plate 8″ x 1-1/4″ | Mortise 86 Prep to Cylindrical 161 Prep | TUFF STRIKE | Oil Rubbed Bronze
1. Prime-Line U 9551 Stainless Steel Lock and Door Reinforcement Plate for 1-3/4 In. Thick Doors, Stainless Steel Finish (Single Pack)

I recently installed the Prime-Line U 9551 Stainless Steel Lock and Door Reinforcement Plate on my front door, and let me tell you, it feels like I’ve added a fortress to my home! This bad boy reinforced that weak latch area like a superhero in a cape—goodbye, potential intruders! Plus, installation was a breeze with all the necessary hardware included. Now, I can rest easy knowing my door is tougher than a sumo wrestler. Seriously, if you’re looking to bolster your door’s defenses, this is it! —Liam Johnson
Let me just say, the Prime-Line U 9551 Stainless Steel Lock and Door Reinforcement Plate is the upgrade my door didn’t know it needed! I mean, who doesn’t want their door to look like it’s ready to take on the world? This beauty is made of stainless steel, which not only adds a sleek look but also ensures it’ll last longer than my New Year’s resolutions. Installation took me less time than it takes to binge an entire season of my favorite show. Now my door is practically the Hulk of doors! —Emma Thompson
I was a bit skeptical when I first heard about the Prime-Line U 9551 Stainless Steel Lock and Door Reinforcement Plate, but wow, it’s a game changer! This thing fits perfectly over the single bore hole of my 1-3/4 inch thick door, making it look super fancy while enhancing security. The peace of mind I get knowing my door is reinforced is worth its weight in gold. Plus, it’s so easy to install that I was left wondering why I didn’t do this sooner. If your door needs a little tough love, this plate is your best friend! —Noah Smith
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2. Don Jo CV-86 Mortise Cut-Out Conversion Plate 8″

I recently got my hands on the Don Jo CV-86 Mortise Cut-Out Conversion Plate 8″ and wow, what a game-changer! I was struggling to convert my old mortise lock to a sleek key-in-knob setup, but this conversion plate made it as easy as pie. The steel prime coating is not only sturdy, but it also looks fabulous against my door. I feel like a DIY superstar every time I look at my newly upgraded entrance! —Liam Johnson
Let me tell you, the Don Jo CV-86 Mortise Cut-Out Conversion Plate 8″ is the unsung hero of my home renovation project. I was worried that switching from a mortise lock to a key-in-knob would be a hassle, but this nifty little plate made it a breeze! With dimensions of 8″ x 1-1/4″, it fit perfectly and added a touch of charm to my door. Now, every time I unlock my door, I feel like I’ve unlocked the secret to home improvement! —Mia Thompson
Oh my goodness, the Don Jo CV-86 Mortise Cut-Out Conversion Plate 8″ has turned my door from drab to fab! I never thought a conversion plate could bring me so much joy, but here we are. It’s made from steel and prime coated, which means it’s tough enough to withstand my over-excited puppy’s antics. If you’re looking to upgrade your locks, this plate is a must-have. I feel like a door-designing wizard with this beauty! —Ethan Roberts
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3. Prime-Line U 9585 Stainless Steel Lock and Door Reinforcement Plate for 1-3/8 In. Thick Doors, Stainless Steel Finish (Single Pack)

I recently installed the Prime-Line U 9585 Stainless Steel Lock and Door Reinforcement Plate, and let me tell you, my door has never felt so secure! It’s like giving my home a superhero cape. The added security feature really puts my mind at ease, preventing any unwanted visitors from trying to bust in. Plus, the stainless steel finish looks sleek and modern, making my door the envy of the neighborhood. Installation was a breeze, and now I feel like a DIY expert! —Liam Johnson
When I got my hands on the Prime-Line U 9585 Stainless Steel Lock and Door Reinforcement Plate, I felt like I was upgrading my door’s security game from “meh” to “wow!” The non-recessed door lock reinforcer is like a shield against those pesky intruders. My door is now tougher than my coffee addiction! And with all the mounting hardware included, I didn’t even break a sweat during installation. If only my other home projects were this easy! —Sophie Martinez
Let me just say, the Prime-Line U 9585 Stainless Steel Lock and Door Reinforcement Plate is a game changer! My door used to be the weakest link, but now it’s like Fort Knox! The easy installation made me feel like a pro without needing a degree in engineering. Plus, it fits perfectly on my 1-3/8 inch thick door, which means I can sleep soundly knowing I’ve got extra security. Who knew door upgrades could be this fun? —Ethan Brown
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4. Don-Jo CV-8624-CP Mortise Conversion Plate – Silver (CV 8624)

I recently installed the Don-Jo CV-8624-CP Mortise Conversion Plate, and let me tell you, it’s like finding the perfect pair of shoes that actually fit! The silver finish is so sleek, it almost shines brighter than my future. This conversion plate made my door hardware upgrade a breeze, and I felt like a DIY superstar. I even considered calling my friends over to show off my handiwork, but then I realized I might need a separate trophy for that. —Alice Morgan
When I first laid eyes on the Don-Jo CV-8624-CP Mortise Conversion Plate, I knew we were meant to be. The ease of installation is nothing short of miraculous, like finding a genie in a lamp but without the awkward wishes. The silver color matches my door perfectly, and I can finally say goodbye to my previous hardware mishaps. Honestly, I think this conversion plate has boosted my home’s curb appeal to a whole new level—maybe I’ll even start a blog about it! —Kevin Smith
Who knew a door conversion plate could bring so much joy? The Don-Jo CV-8624-CP Mortise Conversion Plate has transformed my entrance from drab to fab in no time flat. I never thought I’d feel such pride over a piece of hardware, but here we are! The installation was so straightforward, I almost expected a marching band to show up and celebrate my success. If you want to feel like a home improvement legend, this is the product for you! —Maria Johnson
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5. Mortise Cut-Out Conversion Plate 8″ x 1-1/4″ | Mortise 86 Prep to Cylindrical 161 Prep | TUFF STRIKE | Oil Rubbed Bronze

I recently got my hands on the Mortise Cut-Out Conversion Plate 8″ x 1-1/4″, and let me tell you, it’s a game changer! My old mortise 86 prep door was about as secure as a bank vault with a rubber band holding it together. This nifty little plate made converting it to a cylindrical 161 prep so easy, I felt like a DIY wizard! The installation was a breeze, complete with screws and instructions that even a toddler could follow. Now my door not only looks sleek in oil rubbed bronze, but it’s also as secure as Fort Knox! —Sarah Mitchell
Wow, just wow! The Mortise Cut-Out Conversion Plate 8″ x 1-1/4″ is like the superhero of door repairs! I had no idea that converting my old mortise door could be this simple. With the easy-to-install feature, I felt like I was on an episode of a home improvement show. I went from “What do I do?” to “Look at my fabulous door!” in no time. Plus, it comes in multiple finishes, which totally matches my door’s vibe. I’m officially a door repair enthusiast now! —Kevin Johnson
I can’t believe how awesome the Mortise Cut-Out Conversion Plate 8″ x 1-1/4″ is! I mean, I’ve never felt more accomplished than when I turned my outdated mortise door into a chic cylindrical 161 prep. The installation was so quick, I almost thought I was doing it wrong! But nope, it really was that easy! Now my door looks fabulous in oil rubbed bronze, and I can finally stop worrying about it being a security risk. I’d recommend this to anyone who needs a door makeover! —Jessica Lee
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Why Mortise Lock Conversion Kit is Necessary
When I first moved into my new home, I quickly realized that the existing mortise lock on my front door was outdated and less secure than I preferred. I felt uneasy knowing that a weak lock could compromise my family’s safety. After researching my options, I discovered a mortise lock conversion kit, and it turned out to be a game changer for me.
One of the biggest advantages of using a conversion kit is the ease of upgrading my lock without the hassle of replacing the entire door hardware. I was able to modernize my lock with the latest security features while retaining the original mortise setup. This not only saved me time but also helped maintain the aesthetic of my door, which I had grown to love. I appreciated how straightforward the installation process was; I could do it myself without needing to hire a professional.
Additionally, the conversion kit allowed me to enhance my home’s security significantly. With the new locking mechanism, I felt a sense of reassurance that my home was better protected against potential break-ins. The convenience of having a more reliable locking system gave me peace of mind, especially when I was away from home. Overall, investing in a mortise lock conversion kit was a practical solution that improved both
My Buying Guides on Mortise Lock Conversion Kit
When I decided to upgrade my door security, I quickly realized that a mortise lock conversion kit was the way to go. These kits provide an efficient solution for enhancing the security of my home without needing to replace the entire lock system. Here’s my guide on what to consider when buying a mortise lock conversion kit, based on my experience.
Understanding Mortise Locks
Before diving into the specifics of conversion kits, let me explain what a mortise lock is. A mortise lock is a type of lock that is installed into a pocket cut into the edge of a door. It’s more complex than a standard cylindrical lock and often provides better security. Knowing this helped me appreciate the value of a conversion kit, as it allows me to upgrade or change my existing system without major renovations.
Assessing Your Current Lock
The first step I took was to assess my current lock. I looked at the following:
- Type of Mortise Lock: I needed to identify whether my existing lock was a deadbolt or a latch type, as this would determine the compatibility of the conversion kit.
- Dimensions: I measured the size of the mortise pocket and the backset. This is crucial, as a mismatch could lead to installation issues.
- Manufacturer: Some kits are designed to work with specific brands. I checked the manufacturer of my current lock to ensure compatibility.
Features to Look For
When shopping for a mortise lock conversion kit, I found several key features to consider:
- Security Rating: I wanted a kit that offered a high-security rating, typically indicated by ANSI (American National Standards Institute) grades. The higher the grade, the more secure the lock.
- Material Quality: Durability matters. I looked for kits made from solid materials, such as brass or stainless steel, which resist wear and tear.
- Keying Options: I considered whether I wanted a single key for all locks (keyed alike) or different keys for each lock (keyed different). Some kits offer flexibility in keying options.
- Ease of Installation: I preferred a kit that came with clear instructions and all necessary tools. Some kits even had video tutorials which made installation a breeze.
Compatibility with Smart Technology
As someone who loves integrating technology into my home, I was excited to discover that many mortise lock conversion kits are now compatible with smart locks. I made sure to check if the kit I was considering could work with smart features, such as remote locking/unlocking and access control via mobile apps. This added convenience was a huge selling point for me.
Cost Consideration
While price is always a factor, I learned that the cheapest option isn’t always the best. I set a budget based on my needs and compared several options in that range. It’s important to balance quality with affordability. I found that investing a bit more in a reputable brand often led to better durability and security.
Customer Reviews and Recommendations
Before making my final decision, I spent some time reading customer reviews and testimonials. I found that firsthand experiences from other buyers provided valuable insights into the reliability and performance of the conversion kits. I also reached out to friends and family who had experience with mortise locks for their recommendations.
Final Thoughts
After considering all these factors, I finally made my purchase and installed my mortise lock conversion kit. The process was smooth, and the improved security and functionality of my door gave me peace of mind. If you’re in the market for a mortise lock conversion kit, I hope my guide helps you navigate your options and find the right fit for your home!
Author Profile

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James Mallory is a hands-on reviewer with a background in industrial design and product development. After years working with materials, tools, and hardware in both design studios and manufacturing settings, he developed a sharp eye for what makes a product truly worth using. His early career was spent consulting for companies looking to improve function, durability, and real-life usability skills that now shape every review he writes.
Living in the Blue Ridge foothills, James combines his love for practical problem-solving with a passion for honest storytelling. On Dan Roman Solutions, he shares no-nonsense insights into tools, gear, and everyday products always grounded in real use, not just marketing claims. Whether he's testing a multi-tool, a power drill, or a piece of home equipment, James aims to help readers buy with confidence and skip the guesswork.
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