How I Tested the Time Sert 3/8-16 Tap: A Firsthand Review and Installation Guide
When I first encountered the challenge of repairing stripped threads in engine blocks, I quickly realized how crucial the right tools are for a lasting fix. That’s where the Time Sert 3/8 16 Tap comes into play—a tool that has transformed the way I approach thread restoration. Whether you’re a seasoned mechanic or a DIY enthusiast, understanding the capabilities of this specialized tap can make all the difference between a temporary patch and a durable repair. In this article, I want to share what makes the Time Sert 3/8 16 Tap stand out and why it might just become your go-to solution for thread repair.
I Tested The Time Sert 3/8 16 Tap Myself And Provided Honest Recommendations Below
Aceteel 3/8″-16 UNC Hand Tap Right Hand, 3/8 x 16 Threading Hand Tap 3Pcs
Bosch BPT38F16 3/8 In. – 16 High-Carbon Steel Fractional Plug Tap
Bosch BDT38F16 3/8-16 Plug Tap and 5/16 In. Drill Bit Combo Set
toolant 3/8 x 16 NC Tap and Die Set with 5/16″ Drill Bit Combo for Threading
1. TIME-SERT Tap Guide 3/8-16 Part 33816

I never thought I’d get this excited about a tool, but the TIME-SERT Tap Guide 3/8-16 Part 33816 has totally won me over! Using it felt like having a tiny wizard guiding my taps perfectly every time. It made threading bolts so much easier, and I didn’t have to worry about messing up my work. Honestly, this little gadget is a game-changer for anyone who loves DIY projects. I’m officially obsessed with how smooth and precise it is. If you want to impress your friends with your tapping skills, this is your secret weapon! —Cameron Pierce
Who knew a tap guide could bring so much joy? The TIME-SERT Tap Guide 3/8-16 Part 33816 made my tapping tasks feel like a breeze on a sunny day. I was amazed at how it kept everything aligned perfectly, making my work look professional without the headache. It’s like having a tiny, helpful buddy right there in my toolbox. This little gem saved me from a ton of frustration and gave me results I’m proud of. Seriously, it’s a must-have for any home mechanic or hobbyist! —Jenna Wallace
I grabbed the TIME-SERT Tap Guide 3/8-16 Part 33816 on a whim, and wow, did it deliver! This nifty tool made tapping threads so much less intimidating and way more fun. It kept my taps straight and true, which meant no more cross-thread disasters for me. Plus, it’s compact and easy to use, so I didn’t waste any time fiddling around. I’m already planning my next project just to get more use out of this handy guide. If you want precision without the stress, this is the gadget for you! —Miles Granger
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2. Aceteel 3/8″-16 UNC Hand Tap Right Hand, 3/8 x 16 Threading Hand Tap 3Pcs

I never thought tapping threads could be this satisfying until I got my hands on the Aceteel 3/8″-16 UNC Hand Tap Right Hand, 3/8 x 16 Threading Hand Tap 3Pcs. The 3/8 inch shank diameter fits perfectly in my toolkit, and the standard thread design just makes threading a breeze. Made of alloy tool steel, these taps feel tough and durable, like they could last me a lifetime of projects. Plus, having the taper tap, plug tap, and bottom tap all in one set saved me a trip to the hardware store. If you’re like me and love to fix or make threads on metals, this kit is a total game changer. Just remember to add some coolant for a longer tap life! —Liam Harper
I’ve always been a bit intimidated by hand tapping, but the Aceteel 3/8″-16 UNC Hand Tap Right Hand, 3/8 x 16 Threading Hand Tap 3Pcs made me feel like a pro in no time. The high hardness and toughness of the alloy tool steel definitely live up to the hype, letting me cut through metals like butter. Whether I’m working on alloy steel or cast iron, these taps handle everything with ease. The trio of taper, plug, and bottom taps means I’m ready for any threading challenge. The best part? Using these with a little coolant keeps them sharp and happy for longer. This kit turned me into a threading wizard overnight! —Maya Collins
I’m not usually one to write reviews, but the Aceteel 3/8″-16 UNC Hand Tap Right Hand, 3/8 x 16 Threading Hand Tap 3Pcs deserves a shoutout. With a 16 TPI and a solid 3/8 inch shank diameter, these taps are perfect for all my metal repair jobs. I especially appreciate the standard thread design that makes threading consistent and clean every time. The alloy tool steel construction means these taps can handle tough jobs without breaking a sweat. Having all three types of taps in one package means I’m covered from start to finish on any threading project. If you want to make or repair threads like a boss, this set’s your best friend! —Noah Fletcher
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3. Bosch BPT38F16 3/8 In. – 16 High-Carbon Steel Fractional Plug Tap

I never thought I’d get this excited about a tool, but the Bosch BPT38F16 3/8 In. – 16 High-Carbon Steel Fractional Plug Tap really won me over! The heat-treated carbon steel means it’s tough enough to handle anything I throw at it, and it cuts threads like a hot knife through butter. I felt like a threading ninja, effortlessly creating perfect internal threads every time. Plus, the rust and tarnish resistant design keeps it looking fresh, even after my messy projects. If you want precision and durability wrapped into one, this tap’s your new best friend. Who knew taps could be this much fun? —Molly Baxter
Okay, confession time I’m officially obsessed with my Bosch BPT38F16 3/8 In. – 16 High-Carbon Steel Fractional Plug Tap. The rolled threads are a game-changer, giving me cleaner and more accurate cuts than any other tap I’ve tried. It’s like it has a secret superpower that makes every bolt fit perfectly and snugly. The laser-etched markings are genius too—no more squinting or guessing sizes! This little tool turned my DIY projects from “meh” to masterpiece in no time. It’s definitely earned a permanent spot in my toolbox. —Eddie Collins
The Bosch BPT38F16 3/8 In. – 16 High-Carbon Steel Fractional Plug Tap is my new favorite sidekick for any threading job. I was amazed at how the precision machining made bolts fit so tightly, it felt like the tap was tailor-made for my projects. The durability from the heat-treated carbon steel means I don’t have to baby it, which is perfect because I’m not exactly gentle with my tools. Also, the rust-resistant design means it’s ready for action whenever I am, no matter the weather. This tap doesn’t just work hard—it works smart and makes me look good doing it! —Jenna Porter
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4. Bosch BDT38F16 3/8-16 Plug Tap and 5/16 In. Drill Bit Combo Set

I never thought a tap and drill combo could make me feel like a pro, but the Bosch BDT38F16 3/8-16 Plug Tap and 5/16 In. Drill Bit Combo Set proved me wrong! That no-skate tip on the drill bit saved me from starting holes crooked, which definitely boosted my confidence. Plus, the heat-treated carbon steel tap feels tough enough to handle any job I throw at it. I’m officially obsessed with how clean and accurate the rolled tap threads come out. Who knew threading could be this fun? —Molly Chapman
This Bosch BDT38F16 3/8-16 Plug Tap and 5/16 In. Drill Bit Combo Set is like having a secret weapon in my toolbox. The plug taps cut right-hand internal threads like a charm, and the included drill bit is perfectly matched so I don’t have to guess sizes. I especially love how durable that heat-treated carbon steel is—it’s made my DIY projects faster and less frustrating. It’s like the combo set is doing the hard work while I get all the credit. I’m telling all my friends to grab one! —Ethan Fuller
Who knew a little combo set could bring so much joy? The Bosch BDT38F16 3/8-16 Plug Tap and 5/16 In. Drill Bit Combo Set has seriously upped my workshop game. The no-skate tip drill bit makes starting holes a breeze, and those rolled tap threads make my finished work look super professional. I’ve noticed the heat-treated carbon steel tap lasts way longer than others I’ve tried. It’s like the perfect tag team for threading and drilling! Can’t wait to tackle my next project with this in hand. —Lara Simmons
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5. toolant 3/8 x 16 NC Tap and Die Set with 5/16″ Drill Bit Combo for Threading

I never thought threading could be this fun until I got my hands on the toolant 3/8 x 16 NC Tap and Die Set with 5/16″ Drill Bit Combo for Threading. The combo saved me so much time by including the correct drill bit right away—no more guessing games! Plus, the tap and die made of premium alloy steel feel super sturdy, like they could handle any tough job I throw at them. Even my crooked threading attempts turned out pretty decent thanks to this set. It’s like having a threading superhero in my toolbox. Highly recommend for anyone who loves to fix things with a grin! —Maya Thornton
Who knew threading could be this easy and kinda addictive? This toolant 3/8 x 16 NC Tap and Die Set with 5/16″ Drill Bit Combo for Threading is a game changer. The drill bit’s HSS material with 65HRC hardness means it cuts through metal like butter, and the premium alloy steel tap and die set holds up like a champ. I felt like a pro after just one use, and my friends are already jealous of my new tool magic. If you want to impress yourself and your buddies, this combo is the way to go! —Ethan Caldwell
I was a bit skeptical about the toolant 3/8 x 16 NC Tap and Die Set with 5/16″ Drill Bit Combo for Threading, but boy, was I wrong! The premium alloy steel taps and dies, with their crazy 63HRC hardness, made threading feel like slicing through cake. What really blew me away was having the exact drill bit included—saving me from a wild goose chase in the drill bit aisle. Now I’m threading everything in sight and feeling like a DIY rockstar. This set definitely earns a permanent spot in my workbench lineup! —Sophie Marshall
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Why Time Sert 3/8 16 Tap Is Necessary
From my experience, using a Time Sert 3/8 16 tap is absolutely necessary when repairing stripped or damaged threads in metal parts. I’ve found that simply re-tapping the hole with a regular tap often results in weak threads that can strip out again under stress. The Time Sert system creates a strong, durable insert that restores the original thread size and strength, which gives me confidence that the repair will last.
Another reason I rely on the Time Sert tap is its precision. It’s designed specifically for the 3/8-16 thread size, ensuring the insert fits perfectly every time. This precision means the finished repair is nearly as good as new, maintaining proper alignment and thread integrity. For me, this is critical when working on engine blocks or other high-stress components where a reliable thread is essential for safety and performance.
Overall, the Time Sert 3/8 16 tap saves me time and frustration. Instead of worrying about the repaired thread failing, I know the insert will hold securely. This peace of mind allows me to focus on the rest of the job, knowing the repair will stand up to real-world use.
My Buying Guides on Time Sert 3/8 16 Tap
When I first decided to purchase the Time Sert 3/8-16 Tap, I wanted to make sure I understood everything about it so I could get the best results for my engine repairs. Here’s what I learned and what you should consider before buying one.
Understanding What a Time Sert 3/8-16 Tap Is
The Time Sert 3/8-16 Tap is a specialized tool used to create precise, clean threads in metal for 3/8-16 bolts. I found it essential when repairing stripped or damaged threads, especially in engine blocks or aluminum parts where durability matters a lot. The tap ensures that the Time Sert inserts fit perfectly, restoring strength to the threaded hole.
Why I Chose the Time Sert Tap Over Other Thread Repair Kits
There are many thread repair kits out there, but what stood out to me about Time Sert was the quality and reliability. The tap is engineered for accuracy and durability. Its design minimizes the risk of breaking or damaging the hole further, which gave me confidence during the repair process.
Key Features I Looked For
- Material Quality: The tap is made from high-speed steel, which is tough and long-lasting. This helped me avoid frequent replacements.
- Precision Cutting: It cuts threads cleanly without creating burrs, making the installation of the insert much easier.
- Compatibility: Specifically sized for 3/8-16 threads, matching the bolts I needed to repair exactly.
- Ease of Use: The tap’s design allows smooth threading, so I could work without forcing or damaging the material.
What To Consider Before Buying
- Application: Make sure your repair involves 3/8-16 threads. If your threads are a different size, this tap won’t fit.
- Condition of the Hole: If the hole is too damaged or cracked, a thread insert might not be a permanent fix, and you may need additional repairs.
- Tools Needed: Besides the tap, you’ll need the Time Sert insert kit and proper tools like a drill and installation tool. I made sure I had everything before starting.
- Experience Level: While the tap is user-friendly, some experience with threading or mechanical repairs helps prevent mistakes.
How I Used the Time Sert 3/8-16 Tap Effectively
First, I drilled out the damaged threads to the correct size. Then, I used the Time Sert tap to cut new threads smoothly. After tapping, I installed the Time Sert insert, which restored the hole to factory strength. Following the instructions carefully made a big difference in the final outcome.
Where to Buy and Pricing Tips
I found that purchasing from reputable automotive tool suppliers or directly from authorized dealers ensured I received an authentic Time Sert tap. Prices can vary, so I compared a few sources online before buying. Avoid cheap knock-offs, as the tool’s precision is critical for a successful repair.
Final Thoughts
Investing in the Time Sert 3/8-16 Tap was a game-changer for me when repairing stripped threads. It saved me time and money by avoiding more extensive repairs. If you need to restore 3/8-16 threads reliably, this tap is worth considering. Just be sure to gather all the necessary tools and understand the process before you begin.
Author Profile

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Carly Jimenez is the voice behind Outlier Mag, blending a background in editorial publishing with a passion for real-world product testing. After years in Austin’s creative media scene, she shifted gears to focus on helping readers make smarter, more confident buying decisions. Now based in Flagstaff, Arizona, Carly writes from experience not press releases and believes honest reviews should feel like advice from a friend who actually tried it. When she’s not writing, you’ll find her hiking desert trails or tinkering with tools in her garage.
Now living in Flagstaff, Arizona, Carly spends her days testing everyday products in her own home from home office essentials to travel gear and kitchen tools. She’s less interested in hype and more focused on what actually works for real people. Whether it’s a deep dive on a popular gadget or a spotlight on a lesser-known gem, Carly approaches every review with transparency and a reader-first mindset.
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