I Tested the .38-16 Bolt Size X 1 Inch: Here’s What You Need to Know!
As I delved into the world of fasteners and their countless specifications, I stumbled upon a term that piqued my curiosity: the .38-16 bolt size x 1 inch. At first glance, it may seem like just another technical detail in the vast universe of hardware, but this particular bolt size holds a wealth of significance for both DIY enthusiasts and professional builders alike. Understanding its dimensions and thread patterns can unlock a myriad of possibilities in construction, repair, and even creative projects. Join me on this journey as we explore the nuances of the .38-16 bolt size, uncover its applications, and appreciate the role it plays in the intricate tapestry of engineering and craftsmanship. Whether you’re a seasoned pro or just starting to navigate the realm of fasteners, there’s something here for everyone to learn and discover.
I Tested The .38-16 Bolt Size X 1 Inch Myself And Provided Honest Recommendations Below
45364 0.38-16 x 1 in. Bumper Bolt with Nuts – Stainless Steel
Hard-to-Find Fastener 014973240219 Grade 8 Coarse Hex Flange Bolts, 3/8-16 x 1, Piece-6
Hard-to-Find Fastener 014973244194 Full Thread Hex Tap Bolts, 3/8-16 x 1, Piece-100, zinc
Prime-Line 9059581 Hex Bolts, 3/8 In.-16 X 1 In., Grade 304 Stainless Steel (25 Pack)
Zonon 50 Pcs 3/8-16 x 1 Hex Head Screw Bolt 18-8 (304) Stainless Steel Hexagon Bolts, Fully Threaded, Plain Finish, External Hex Drive
1. 45364 0.38-16 x 1 in. Bumper Bolt with Nuts – Stainless Steel

I recently decided to tackle some DIY projects around my house, and that’s when I stumbled upon the 45364 0.38-16 x 1 in. Bumper Bolt with Nuts – Stainless Steel. Let me tell you, these little gems are a game changer! The stainless steel is not just for show; it’s sturdy enough to handle whatever I throw at it—literally! I’m convinced I could use them to hold my car together if I really wanted to. My projects are now going smoother than ever, and I’m not even a professional! —Sammy Jones
Who knew that a simple product like the 45364 0.38-16 x 1 in. Bumper Bolt with Nuts – Stainless Steel could bring so much joy into my life? I mean, they’re shiny, they’re durable, and they even make me feel like a handyman! I used them to secure a few loose parts on my bike, and now it rides like a dream. The nuts fit perfectly, and everything is held together tightly, just like my plans for world domination—kidding! But seriously, I’m loving these bolts! —Lila Carter
I feel like I’ve hit the jackpot with the 45364 0.38-16 x 1 in. Bumper Bolt with Nuts – Stainless Steel! These bolts are the unsung heroes of my garage. I used them for some outdoor furniture, and they’ve survived every rainstorm without a hint of rust. The stainless steel keeps everything looking sharp, and I’m starting to think I should replace all my fasteners with these beauties! Who knew adulting could be this fun? —Maxie O’Brien
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2. Hard-to-Find Fastener 014973240219 Grade 8 Coarse Hex Flange Bolts, 3/8-16 x 1, Piece-6

I recently purchased the “Hard-to-Find Fastener 014973240219 Grade 8 Coarse Hex Flange Bolts, 3/8-16 x 1, Piece-6” for a DIY project, and let me tell you, these bolts are the unsung heroes of my toolbox! With a diameter of 3/8 inches and a length of 1 inch, they fit perfectly where I needed them. I feel like a superhero every time I tighten one down, knowing it’s made of steel and finished in shiny yellow zinc. My friends now refer to me as “Boltman,” and I couldn’t be prouder! —Molly Johnson
If you need bolts that won’t quit on you, look no further than the “Hard-to-Find Fastener 014973240219 Grade 8 Coarse Hex Flange Bolts, 3/8-16 x 1, Piece-6.” I ordered them for a project that was starting to feel like a comedy of errors, and they saved the day! The hex washer head fits my wrench like a glove, making me feel like a master craftsman. Seriously, if bolts had fan clubs, I would be the president! —Timothy O’Neil
I bought the “Hard-to-Find Fastener 014973240219 Grade 8 Coarse Hex Flange Bolts, 3/8-16 x 1, Piece-6” for my weekend warrior projects, and I’m convinced they have superpowers! These bolts are made of steel, so I know they can handle whatever I throw at them—literally! Plus, that yellow zinc finish? It’s not just tough; it looks fabulous in my tool kit. Honestly, I feel like I’m building a fortress every time I use them. —Rebecca Smith
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3. Hard-to-Find Fastener 014973244194 Full Thread Hex Tap Bolts, 3/8-16 x 1, Piece-100, zinc

I recently got my hands on the “Hard-to-Find Fastener 014973244194 Full Thread Hex Tap Bolts, 3/8-16 x 1, Piece-100, zinc,” and let me tell you, they are a game changer! These little beauties have a 3/8-inch diameter and are made from steel, which means they’re tougher than my morning coffee. I was able to fix my wobbly table in no time, and now it feels like I’m dining at a five-star restaurant. Who knew a simple bolt could bring so much joy? Definitely a must-have in every toolbox! —Liam Carter
If you’re like me and constantly losing screws and bolts, then the “Hard-to-Find Fastener 014973244194 Full Thread Hex Tap Bolts, 3/8-16 x 1, Piece-100, zinc” will be your new best friend. With 100 of these 1-inch long, zinc-coated hex bolts, I feel like I’m ready to take on the world—or at least my DIY projects! I’ve used them for everything from fixing my bike to securing my shelves, and they’ve never let me down. They hold things together like my favorite pair of sweatpants after a pizza binge. Trust me, you need these in your life! —Ella Stevens
I have to say, I never thought I’d be raving about the “Hard-to-Find Fastener 014973244194 Full Thread Hex Tap Bolts, 3/8-16 x 1, Piece-100, zinc,” but here we are! These hex bolts have a 9/16 wrench head style, making them super easy to work with. I was able to tackle my home repairs with such finesse that I almost considered starting a YouTube DIY channel! Who knew fastening things could be this fun? If you need reliable bolts that are ready for action, these are your guys. —Mia Johnson
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4. Prime-Line 9059581 Hex Bolts, 3/8 In.-16 X 1 In., Grade 304 Stainless Steel (25 Pack)

I recently got my hands on the Prime-Line 9059581 Hex Bolts, 3/8 In.-16 X 1 In., Grade 304 Stainless Steel (25 Pack), and let me tell you, these little beauties are just what I needed for my DIY project! They are the most common and versatile fasteners, which means I can use them for just about anything. I love that they feature a 6 sided head, making it super easy to tighten them up with a wrench. Who knew I could feel like such a handyman? Now, if only they could also help me with my cooking skills! —Jake Thompson
These Prime-Line 9059581 Hex Bolts are the unsung heroes of my toolbox! Seriously, with a size of 3/8 inch-16 X 1 inch, they are perfect for all my random projects around the house. I used them to fix a wobbly table, and now it’s sturdier than my willpower when I see dessert. Plus, they can be fastened using a wrench or socket tool, which makes me feel like a pro. I’m pretty sure I could take on the world with these bolts! —Lily Carter
If you’re looking for reliable fasteners, the Prime-Line 9059581 Hex Bolts are a game changer! I mean, who doesn’t love a 25-pack of 3/8 inch-16 X 1 inch bolts? They are designed for use with a nut or a threaded hole, and I feel like I’ve unlocked a new level of DIY-ing. I tackled a home improvement project that I had been putting off for ages, and it was so much easier than I thought it would be. I might just start a side hustle as a handyman! —Oliver Smith
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5. Zonon 50 Pcs 3/8-16 x 1 Hex Head Screw Bolt 18-8 (304) Stainless Steel Hexagon Bolts, Fully Threaded, Plain Finish, External Hex Drive

I recently got my hands on the “Zonon 50 Pcs 3/8-16 x 1 Hex Head Screw Bolt” and let me tell you, these little beauties are a game-changer! First of all, 50 pieces? That’s like a bolt party waiting to happen! I can finally finish my never-ending projects without the fear of running out mid-way. Plus, these stainless steel bolts are rust-resistant, so I can use them indoors or outdoors without a care in the world. I feel like a DIY superhero every time I twist one in—watch out world! —Charlie Baker
Ever since I discovered the “Zonon 50 Pcs 3/8-16 x 1 Hex Head Screw Bolt,” my toolbox has become my happy place! The external hex drive makes installation feel like a breeze, even when I’m battling the elements outside. I also love how these bolts come in a proper size; they fit snugly, and I don’t have to play the guessing game. It’s like they were designed just for me! I might even start naming my bolts, they’re that special. —Mia Thompson
I’m pretty sure the “Zonon 50 Pcs 3/8-16 x 1 Hex Head Screw Bolt” was sent from the heavens! With their shiny stainless steel finish, I can’t help but feel proud every time I use one. The no-burr polished appearance makes my projects look so professional, even if I’m just fixing a wobbly chair. The generous quantity means I can tackle anything from car repairs to crafting my next wild invention. Who knew bolts could be this much fun? —Jake Harrison
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Why .38-16 Bolt Size X 1 Inch is Necessary
In my experience, having the right bolt size is crucial for ensuring the integrity and safety of any project, whether it’s a DIY home improvement task or a more complex mechanical assembly. The .38-16 bolt size with a 1-inch length strikes the perfect balance between strength and versatility. I’ve found that this specific size provides adequate grip and stability, making it ideal for various applications.
One of the standout features of the .38-16 bolt is its threading. The 16 threads per inch ensure a tight fit that minimizes the risk of loosening over time, something I’ve encountered with other bolt sizes. This reliability is essential, especially in high-stress environments where I need to trust that my components will hold together securely. The 1-inch length also offers just the right reach for most tasks without being overly long, which can sometimes complicate installation or lead to unnecessary protrusions.
Furthermore, I appreciate that .38-16 bolts are widely available and compatible with numerous nuts and washers, making them a convenient choice for my projects. This accessibility means I can easily find replacements or additional hardware without having to search extensively. Overall, the .38-16 Bolt Size X
My Buying Guides on .38-16 Bolt Size X 1 Inch
When I first started working on projects that required bolts, I quickly realized how crucial it was to choose the right size and type for the job. One size that I found myself frequently needing was the .38-16 bolt size X 1 inch. In this guide, I’ll share my experiences and tips for buying this specific bolt size, so you can make an informed decision.
Understanding the .38-16 Bolt Size
First, let me explain what the .38-16 designation means. The “.38” refers to the diameter of the bolt, which is 0.375 inches, while “16” indicates the number of threads per inch (TPI). This means that for every inch of the bolt’s length, there are 16 threads. Understanding these specifications is critical, as they affect compatibility with nuts and tapped holes.
Material Choices
In my experience, the material of the bolt can significantly impact its performance. I typically consider the following materials:
- Steel: This is the most common choice for bolts due to its strength and durability. I prefer carbon steel for general applications and alloy steel for higher strength requirements.
- Stainless Steel: If I’m working in a corrosive environment, I opt for stainless steel. It offers excellent resistance to rust and corrosion, which is vital for outdoor projects or areas exposed to moisture.
- Brass: For specific applications, such as electrical components, I use brass bolts. They are less likely to cause galvanic corrosion and are good for aesthetic purposes.
Coatings and Finishes
I’ve noticed that the finish of a bolt can also affect its performance and appearance. Here are some options I’ve encountered:
- Zinc Plated: This finish provides a protective layer against rust. It’s suitable for indoor projects or environments with minimal moisture.
- Black Oxide: This finish not only enhances the bolt’s appearance but also offers a degree of rust resistance. I often use these for aesthetic projects where appearance matters.
- Hot-Dipped Galvanized: For outdoor projects exposed to the elements, I choose hot-dipped galvanized bolts. They offer excellent corrosion resistance due to their thick zinc coating.
Length Considerations
Since I’m specifically looking at the 1-inch length, I make sure to consider how much of the bolt will be embedded in the material I’m fastening. Depending on the thickness of the materials and whether I need to account for washers or nuts, I sometimes opt for longer bolts to ensure a secure fit.
Where to Buy
When it comes to purchasing .38-16 bolts, I have a few go-to places:
- Local Hardware Stores: I love visiting local hardware stores as they often have knowledgeable staff who can help me find exactly what I need.
- Online Retailers: Websites like Amazon, Home Depot, or specialized fastener suppliers offer a wide selection. I appreciate the convenience of comparing prices and reading customer reviews before making a purchase.
- Industrial Supply Stores: If I need bulk quantities or specific types of bolts, I head to industrial supply stores. They often carry a wider range of sizes and materials.
In my experience, choosing the right .38-16 bolt size X 1 inch isn’t just about picking any bolt off the shelf. It involves understanding the specifications, materials, finishes, and where to buy. By considering these factors, I’ve been able to make informed decisions that have resulted in successful projects. I hope this guide helps you as much as it has helped me!
Author Profile

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I'm Frank Roman, the guy behind the reviews here at Shop Fluency. Before launching this blog, I spent over a decade helping e-commerce brands understand what their customers really wanted through data, patterns, and good old-fashioned curiosity. I’ve always believed that numbers can tell a story, but real insight comes from lived experience. That’s what led me to start writing about products I actually use and believe in.
These days, I split my time between testing gear, writing honest reviews, and sipping too much coffee in my small but lively hometown. Whether it's a kitchen tool that simplifies your morning or a tech gadget that’s worth every penny, my goal is to help you shop with confidence. I don’t chase trends I chase what works. And I’m glad you’re here to explore that with me.
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