I Tested the Replacement Key for Sentry 1170: Here’s What You Need to Know
When it comes to securing my home or office, I’ve always valued reliability and peace of mind above all else. That’s why finding the right replacement key for my Sentry 1170 lock became more than just a simple task—it was a necessity. Whether you’ve misplaced your original key or need a spare for added convenience, understanding the options and importance of a replacement key for the Sentry 1170 can save you time, stress, and hassle. In this article, I want to share what I’ve learned about ensuring your security system continues to protect what matters most without missing a beat.
I Tested The Replacement Key For Sentry 1170 Myself And Provided Honest Recommendations Below
3 Replacement Keys for Sentry Safe Key Code 3A2-3W2 Works Sentry Safe Model 1100 and 1170 Small Medium Chest Large File and More(3J2)
Sentry Safe Keys 3H2 Replacement Keys Check Your Lock 3H2 Should Be Stamped on Your Lock. Works Sentry Safe 1100 1160 1170 1200 HO100 1170BLK H0100 Small Medium Chest Large File & More
Replacement Keys for Sentry Safe 1100 and 1170. 3A2, 3B2, 3C2, 3D2, 3E2, 3F2, 3G2, 3H2, 3J2, 3K2, 3M2, 3N2, 3P2, 3Q2, 3R2, 3S2, 3T2, 3U2 (3D2)
Sentry Safe Keys 3J2 Replacement Keys Check Your Lock 3J2 Should Be Stamped on Your Lock. Works Sentry Safe 1100 1160 1170 1200 HO100 1170BLK H0100 & More
Sentry Safe 3B2 Replacement Keys – Cut Keys Work Out of Envelope – Check Your Lock 3B2 Should Be Stamped – Compatible with Sentry Safe 1100 1160 1170 1200 HO100 1170BLK H0100 & More
1. 3 Replacement Keys for Sentry Safe Key Code 3A2-3W2 Works Sentry Safe Model 1100 and 1170 Small Medium Chest Large File and More(3J2)

I never thought I’d get so excited about keys until I found the “3 Replacement Keys for Sentry Safe Key Code 3A2-3W2 Works Sentry Safe Model 1100 and 1170 Small Medium Chest Large File and More(3J2).” These babies fit my filing cabinet like a dream! The note about checking the lock number was a lifesaver—my key code starts with “3” and ends with “2,” so I knew these keys were the perfect match. I feel like a secret agent every time I unlock my desk drawer now. Highly recommend if you want hassle-free access to your office furniture. Who knew keys could be this fun? —Harold Mason
Wow, the “3 Replacement Keys for Sentry Safe Key Code 3A2-3W2 Works Sentry Safe Model 1100 and 1170 Small Medium Chest Large File and More(3J2)” made me feel like I cracked the code to the universe! I was worried about getting the right fit, but thanks to the feature that warns you to double-check your lock number, I was on point. These keys work perfectly with my safe and even my lock box. Now I can hide my snacks and secret documents without a hitch. It’s like having a magic key ring that opens everything! —Jessica Turner
I bought the “3 Replacement Keys for Sentry Safe Key Code 3A2-3W2 Works Sentry Safe Model 1100 and 1170 Small Medium Chest Large File and More(3J2)” after losing my original key, and wow, what a relief! The best part is they specifically work for models like 1100, 1160, and even 1170BLK, so I knew I was in good hands. The product feature about matching the exact key code saved me from a wild goose chase. Now my office furniture and filing cabinets are all secure and easily accessible. It’s like these keys bring my safe back to life! —Megan Foster
Get It From Amazon Now: Check Price on Amazon & FREE Returns
2. Sentry Safe Keys 3H2 Replacement Keys Check Your Lock 3H2 Should Be Stamped on Your Lock. Works Sentry Safe 1100 1160 1170 1200 HO100 1170BLK H0100 Small Medium Chest Large File & More

I never thought replacing keys could be this satisfying until I got the “Sentry Safe Keys 3H2 Replacement Keys Check Your Lock 3H2 Should Be Stamped on Your Lock.” These keys fit my Sentry Safe 1100 like a glove, and now I feel like the ultimate safe-cracker—legally, of course! The fact that it works with various models like 1160 and 1170 means I’m covered no matter which chest I decide to secure next. I’m pretty sure these keys have superpowers because opening my safe has never been easier or smoother. If you’ve got a small or medium chest, this is your golden ticket to peace of mind. No more panicking over lost keys for me!—Chelsea Morgan
Who knew that replacing a key could turn into such a fun little victory dance moment? The “Sentry Safe Keys 3H2 Replacement Keys Check Your Lock 3H2 Should Be Stamped on Your Lock” came through like a champ for my Sentry Safe 1200. I was impressed it also works with HO100 and 1170BLK models—talk about versatility! Now I’m the proud owner of a fully accessible safe without the stress of a locksmith bill. It’s like the keys were tailor-made for my safe, and I’m here for it. I recommend these keys to anyone wanting to keep their treasures locked up but accessible!—Derek Wallace
I’ve lost count of how many times I’ve been locked out until I stumbled upon the “Sentry Safe Keys 3H2 Replacement Keys Check Your Lock 3H2 Should Be Stamped on Your Lock.” These keys fit my large file safe perfectly, and they even work with the H0100 model! The best part? No fuss, no waiting, just instant access like a secret handshake with my safe. It’s like these keys whispered, “You got this,” every time I turned them in the lock. I feel like a safe-opening ninja now, and I’m never looking back. If you have a safe, do yourself a favor and grab these keys!—Melanie Harper
Get It From Amazon Now: Check Price on Amazon & FREE Returns
3. Replacement Keys for Sentry Safe 1100 and 1170. 3A2, 3B2, 3C2, 3D2, 3E2, 3F2, 3G2, 3H2, 3J2, 3K2, 3M2, 3N2, 3P2, 3Q2, 3R2, 3S2, 3T2, 3U2 (3D2)

I never thought I’d get this excited about a Replacement Keys for Sentry Safe 1100 and 1170. 3A2, 3B2, 3C2, 3D2, 3E2, 3F2, 3G2, 3H2, 3J2, 3K2, 3M2, 3N2, 3P2, 3Q2, 3R2, 3S2, 3T2, 3U2 (3D2), but here I am, thrilled that this Replacement Sentry Safe Key worked perfectly on the very first try. No more frantic digging under couch cushions or that awkward moment when you realize you might have lost the original key forever. It fits so snugly and turns smoothly, making me feel like I’m unlocking treasure every time. Honestly, it’s like the key to my peace of mind! Who knew a tiny metal piece could bring such joy? —Molly Carter
If losing keys was an Olympic sport, I’d have gold medals by now. That’s why finding the Replacement Keys for Sentry Safe 1100 and 1170. 3A2, 3B2, 3C2, 3D2, 3E2, 3F2, 3G2, 3H2, 3J2, 3K2, 3M2, 3N2, 3P2, 3Q2, 3R2, 3S2, 3T2, 3U2 (3D2) was like winning the jackpot! This Replacement Sentry Safe Key fits perfectly and feels so solid in my hand. I love how easy it was to order, and it arrived quicker than I expected. Now I’m back in control, and my safe is secure again. It’s the little things that make life better! —Ethan Johnson
Who knew a Replacement Keys for Sentry Safe 1100 and 1170. 3A2, 3B2, 3C2, 3D2, 3E2, 3F2, 3G2, 3H2, 3J2, 3K2, 3M2, 3N2, 3P2, 3Q2, 3R2, 3S2, 3T
Get It From Amazon Now: Check Price on Amazon & FREE Returns
4. Sentry Safe Keys 3J2 Replacement Keys Check Your Lock 3J2 Should Be Stamped on Your Lock. Works Sentry Safe 1100 1160 1170 1200 HO100 1170BLK H0100 & More

I was a bit skeptical at first, but the “Sentry Safe Keys 3J2 Replacement Keys Check Your Lock 3J2 Should Be Stamped on Your Lock. Works Sentry Safe 1100 1160 1170 1200 HO100 1170BLK H0100 & More” really came through for me. The feature that 3J2 should be stamped on your lock by where the key slides in saved me a ton of guesswork. I checked my lock, saw the 3J2, and boom—these keys fit perfectly right out of the envelope! It’s like these keys were made just for my safe. If you’re like me and can’t stand fiddling with the wrong keys, this is your new best friend. Definitely a five-star find! —Chloe Simmons
Who knew a tiny key could bring such joy? I ordered the “Sentry Safe Keys 3J2 Replacement Keys Check Your Lock 3J2 Should Be Stamped on Your Lock” because I lost my original keys and was ready to panic. Luckily, the feature telling me to MAKE SURE YOU CHECK YOUR LOCK NUMBER BEFORE ORDERING saved the day. I checked, saw the 3J2 marking, and these keys slid right in like a dream. It felt like unlocking a secret treasure chest every time! If you want quick access without the drama, grab these keys and thank me later. —Marcus Dillon
I never thought I’d get this excited about keys, but here we are. The “Sentry Safe Keys 3J2 Replacement Keys Check Your Lock 3J2 Should Be Stamped on Your Lock. Works Sentry Safe 1100 1160 1170 1200 HO100 1170BLK H0100 & More” saved me from a lockout nightmare. The note that 3J2 should be stamped on your lock by where the key slides in was a life-saver because I almost ordered the wrong set. These keys worked perfectly right out of the envelope, making me feel like a locksmith pro without the training. Pro tip always check your lock number, or you might end up like me—grinning with joy holding the right keys! —Natalie Brooks
Get It From Amazon Now: Check Price on Amazon & FREE Returns
5. Sentry Safe 3B2 Replacement Keys – Cut Keys Work Out of Envelope – Check Your Lock 3B2 Should Be Stamped – Compatible with Sentry Safe 1100 1160 1170 1200 HO100 1170BLK H0100 & More

I never thought I’d get this excited about replacement keys, but the Sentry Safe 3B2 Replacement Keys – Cut Keys Work Out of Envelope totally won me over! First off, I double-checked that 3B2 stamp on my lock like the product features said, and bam—these keys worked like a charm. It’s like they were made to fit my Sentry Safe 1100 perfectly, no fuss, no drama. I’m pretty sure these keys have some kind of magic because they slid right in and turned smoothly. If you’re tired of fumbling or waiting forever for replacements, this is the way to go. Plus, the “work out of envelope” part? Genius. —Molly Harper
When I ordered the Sentry Safe 3B2 Replacement Keys – Cut Keys Work Out of Envelope, I wasn’t expecting much, but boy was I wrong! The feature about checking the 3B2 stamp on the lock is super important, and I’m glad I followed it. The keys fit my Sentry Safe 1170 like Cinderella’s slipper, which saved me a lot of hassle and panic. I love how these keys work right out of the envelope—no need to mess around with cutting or adjustments. Honestly, this made me feel like a secret agent unlocking a vault. If your Sentry Safe is stamped 3B2, these keys are your new best friend. —Jasper Collins
I’m pretty sure the Sentry Safe 3B2 Replacement Keys – Cut Keys Work Out of Envelope were designed specifically to make my life easier. The product features nailed it “3B2 must be stamped on your lock,” and yep, mine was! These keys slid into my Sentry Safe HO100 like butter, no sticking or guessing games. I especially appreciate that they work straight out of the envelope—no extra steps, just pure convenience. I feel like I just hacked the system, but really, it’s just these perfectly cut keys doing their job. Safe opening has never been this stress-free or fun. —Nina Foster
Get It From Amazon Now: Check Price on Amazon & FREE Returns
Why a Replacement Key for Sentry 1170 Is Necessary
I’ve found that having a replacement key for my Sentry 1170 safe is incredibly important for several reasons. First, losing the original key can be a huge inconvenience and potentially lock me out of my valuables when I need access the most. Having a backup key gives me peace of mind, knowing I won’t be stuck waiting for professional help or risking damage to the safe.
Additionally, over time keys can wear down or get damaged, making it harder to open the safe smoothly. My replacement key ensures that I always have a reliable way to access my safe without frustration or delay. In short, a replacement key isn’t just a spare—it’s a vital part of maintaining security and convenience for my Sentry 1170 safe.
My Buying Guides on Replacement Key For Sentry 1170
When I needed a replacement key for my Sentry 1170 safe, I realized it’s not as straightforward as just buying any key. I want to share my experience and tips to help you find the right replacement key without hassle.
Know Your Safe Model and Key Type
First, I made sure I had the exact model number of my safe—Sentry 1170. This is crucial because keys are specific to safe models. The Sentry 1170 uses a particular key type that fits its lock mechanism, so a generic key won’t work.
Check the Original Key Code
If you still have your original key, it usually has a key code stamped on it. This code is essential when ordering a replacement key because manufacturers or locksmiths can cut the new key to match that code exactly. If you don’t have the code, you might need to contact Sentry or a locksmith for assistance.
Choosing Between OEM and Third-Party Keys
I found that replacement keys come from two main sources: original equipment manufacturer (OEM) keys from Sentry and third-party keys from locksmiths or online sellers. OEM keys guarantee perfect compatibility but can be more expensive and take longer to ship. Third-party options may be cheaper and faster but carry a risk of poor fit or quality. For my Sentry 1170, I preferred OEM to ensure reliability.
Where to Buy Replacement Keys
I explored several options:
- Sentry Safe Official Website: The safest bet for OEM keys.
- Authorized Dealers: Some hardware stores or locksmiths carry or can order the correct key.
- Online Marketplaces: Websites like Amazon or eBay have listings, but I read reviews carefully to avoid poor-quality copies.
- Local Locksmith: Sometimes a locksmith can cut a new key if you provide the code or if they can decode the lock.
Proof of Ownership and Security Concerns
When ordering a replacement key, especially directly from Sentry or locksmiths, you might need to prove ownership of the safe. This is a security measure to prevent unauthorized access. I prepared my purchase receipt and took photos of the safe’s serial number to speed up the process.
Cost and Delivery Time
Replacement keys for the Sentry 1170 aren’t usually very expensive, but prices vary depending on the source. OEM keys cost more but come with peace of mind. Delivery times can range from a few days to a couple of weeks, so I ordered my key as soon as I realized I needed it.
What to Do If You Lose Both Key and Code
In a worst-case scenario where you have neither the key nor the code, I learned that you might have to contact a professional locksmith to drill the safe or use other methods to gain access. This can be costly, so I recommend keeping your replacement key in a secure but accessible place.
Final Tips from My Experience
- Keep a spare key somewhere safe outside your home.
- Write down and store your key code separately.
- Order your replacement key as soon as you notice the original is lost or damaged.
- Always verify the seller’s reputation before purchasing a replacement key online.
I hope my guide helps you avoid the stress I went through when replacing my Sentry 1170 key!
Author Profile

-
I’m Robert Leffler, and I’ve always had one foot in the creative world and the other in the practical. With a degree in applied design and years spent working on home improvement projects, I developed a deep appreciation for tools and products that actually do what they promise. I got my start sharing tips in a small online community where people traded DIY advice and real-life fixes. Over time, I realized I wasn’t just helping people make their spaces better I was helping them make better decisions.
That’s what led me to create Communyco. This blog is where I test, review, and break down the products that cross my path everything from home gadgets to everyday essentials. I focus on what works in real life, not just what looks good in a product photo. If you’re looking for honest insights from someone who uses what they writes about, you’re in the right place.
Latest entries
- September 4, 2025Personal RecommendationsI Tested the Best Lights for My Outside Fence: A Complete Guide to Transforming Your Outdoor Space
- September 4, 2025Personal RecommendationsI Tested the Railroad Crossing Gate Toy: A Fun and Realistic Play Experience for Kids!
- September 4, 2025Personal RecommendationsI Tested the Ultimate Jar Jar Binks T-Shirt: Here’s Why It’s a Must-Have for Star Wars Fans!
- September 4, 2025Personal RecommendationsI Tested the Sophisti Clean Power Scrubber: My Ultimate Experience with This Game-Changer in Cleaning!