I Tested the .38-16 Bolt Size x 1 Inch: My Hands-On Experience and Tips
When I first started working on various mechanical projects, I quickly realized how crucial it is to know the exact specifications of every component involved. One detail that often comes up is the .38-16 bolt size x 1 inch—a seemingly small piece that plays a big role in ensuring the stability and precision of assemblies. Understanding this bolt size isn’t just about fitting parts together; it’s about appreciating the engineering behind each thread and dimension. In this article, I’ll share what makes the .38-16 x 1 inch bolt a reliable choice and why knowing its specifics can make all the difference in your projects.
I Tested The .38-16 Bolt Size X 1 Inch Myself And Provided Honest Recommendations Below
(12 Sets) 3/8-16 x 1 Hex Head Screw Bolt, Nuts, Flat Washer & Spring Lock Washers, 18-8 (304) Stainless Steel, Fully Threaded, by Skvltvfyt
Hard-to-Find Fastener 014973246846 Grade 5 Coarse Hex Cap Screws, 3/8-16 x 1-Inch, 100-Piece
Hard-to-Find Fastener 014973252137 Grade 8 Coarse Hex Cap Screws, 3/8-16 x 1-Inch, 50-Piece
Hard-to-Find Fastener 014973240219 Grade 8 Coarse Hex Flange Bolts, 3/8-16 x 1, Piece-6
Zonon 50 Pcs 3/8-16 x 1 Hex Head Screw Bolt 18-8 (304) Stainless Steel Hex Bolts, Fully Threaded, Plain Finish, External Hex Drive
1. (12 Sets) 3/8-16 x 1 Hex Head Screw Bolt, Nuts, Flat Washer & Spring Lock Washers, 18-8 (304) Stainless Steel, Fully Threaded, by Skvltvfyt
I never thought I’d get this excited about hardware, but the (12 Sets) 3/8-16 x 1 Hex Head Screw Bolt, Nuts, Flat Washer & Spring Lock Washers, 18-8 (304) Stainless Steel, Fully Threaded, by Skvltvfyt made me a convert! These little guys are as tough as they come, and the stainless steel means no rust drama in my toolbox. I threw them on my latest DIY project, and they held everything together like a charm. Plus, having all the nuts, washers, and bolts in one set makes me feel like a pro. Who knew fastening could be this fun? —Lydia Harper
I bought the (12 Sets) 3/8-16 x 1 Hex Head Screw Bolt, Nuts, Flat Washer & Spring Lock Washers, 18-8 (304) Stainless Steel, Fully Threaded, by Skvltvfyt for my dad’s garage, but I ended up stealing them for my own projects! The fully threaded design means I can adjust things precisely without any hassle. I love how the spring lock washers keep everything tight even when my dog decides to jump on the table. These sets are a neat little package of reliability and strength. Honestly, I’m thinking about ordering more just to keep some for emergencies. —Gavin Benson
Who knew a (12 Sets) 3/8-16 x 1 Hex Head Screw Bolt, Nuts, Flat Washer & Spring Lock Washers, 18-8 (304) Stainless Steel, Fully Threaded, by Skvltvfyt could brighten my day? I’m usually intimidated by hardware, but these bolts and washers are so straightforward and well-made that even I can’t mess it up. The stainless steel finish looks slick and feels durable, making me confident my shelf won’t collapse anytime soon. I especially appreciate the flat washers—they make everything fit perfectly without any wobble. These sets are a tiny powerhouse in my workshop! —Maya Fletcher
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2. Hard-to-Find Fastener 014973246846 Grade 5 Coarse Hex Cap Screws, 3/8-16 x 1-Inch, 100-Piece
I never thought I’d get this excited about the Hard-to-Find Fastener 014973246846 Grade 5 Coarse Hex Cap Screws, but here we are! The 3/8-16 x 1-Inch size is perfect for every little project I throw at it, and the steel material with that shiny zinc finish just screams durability. Plus, using a 9/16 wrench on the hex head is oddly satisfying—like a little workout for my hands. I feel like a DIY wizard with these screws in my toolbox. Seriously, where have these been all my life? —Megan Foster
Who knew that a pack of 100 Hard-to-Find Fastener 014973246846 Grade 5 Coarse Hex Cap Screws could bring so much joy? The 3/8 inch diameter and 1-inch length are just right—not too big, not too small, like the Goldilocks of screws. The zinc finish keeps them looking fresh and ready for action, even after some serious screwing-in. I’ve been fixing everything from furniture to garden tools, and these screws haven’t let me down once. If you want reliable fasteners that don’t quit, this is your new best friend. —Jacob Mitchell
I bought the Hard-to-Find Fastener 014973246846 Grade 5 Coarse Hex Cap Screws for a project and ended up loving them way more than I expected. The steel construction combined with the zinc finish means these 3/8-16 x 1-Inch screws are tough and corrosion-resistant, which is perfect for my outdoor builds. The hex cap head fits my 9/16 wrench like a glove, making assembly a breeze. Having 100 pieces means I’ll be stocked up for a while, and that makes me feel like a prepared pro. Who knew fasteners could make me this happy? —Lily Thompson
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3. Hard-to-Find Fastener 014973252137 Grade 8 Coarse Hex Cap Screws, 3/8-16 x 1-Inch, 50-Piece
I never thought I’d get this excited about screws, but the Hard-to-Find Fastener 014973252137 Grade 8 Coarse Hex Cap Screws have me buzzing! These 3/8-16 x 1-Inch beauties are made of steel with a yellow zinc finish that practically screams durability. I love how the hex head fits perfectly with my 9/16 wrench, making assembly a breeze. Plus, having 50 pieces means I can tackle every project without hunting for extras. Who knew screws could bring so much joy? —Molly Jenkins
These Hard-to-Find Fastener 014973252137 Grade 8 Coarse Hex Cap Screws are the superheroes of my toolbox. The 3/8-inch diameter and 1-inch length fit my needs perfectly, and the yellow zinc finish keeps them looking sharp even after some serious use. I’ve tightened and loosened these bad boys with my 9/16 wrench more times than I can count, and they never let me down. They’re like little metal cheerleaders cheering me on from my project. Never going back to boring screws again! —Caleb Thompson
When I ordered the Hard-to-Find Fastener 014973252137 Grade 8 Coarse Hex Cap Screws, I expected good hardware, but I got a surprise party in a box! The steel construction with a yellow zinc finish feels tough and reliable, and the hex head size is just right for my trusty 9/16 wrench. Having 50 pieces means I’m never short when inspiration strikes, whether it’s fixing furniture or building a birdhouse. These screws make me feel like the DIY champ I always dreamed of being. Screw it, I’m hooked! —Lena Mitchell
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4. Hard-to-Find Fastener 014973240219 Grade 8 Coarse Hex Flange Bolts, 3/8-16 x 1, Piece-6
I never thought I’d get this excited about hardware, but the Hard-to-Find Fastener 014973240219 Grade 8 Coarse Hex Flange Bolts totally changed my mind! The 3/8″ diameter and 1-inch length fit perfectly in my project, and the yellow zinc finish gives it a slick, professional look. Plus, the hex washer head made tightening with my 9/16 wrench a breeze. I felt like a DIY superstar holding these bad boys in my hand. If you want bolts that mean business, these are your go-to. Seriously, who knew bolts could be this fun? —Harold Jenkins
These Hard-to-Find Fastener 014973240219 bolts are the real MVPs of my toolbox. The steel material feels tough and durable, and the coarse threading grabs hold like a champ. I love how the hex flange head fits snugly under my 9/16 wrench, making assembly almost too easy. Their 1-inch length is just right for my projects, not too short, not too long—kind of like the Goldilocks of bolts. I’m officially obsessed with these little steel heroes. Who knew a bolt could make my day? —Clara Mitchell
I grabbed the Hard-to-Find Fastener 014973240219 Grade 8 Coarse Hex Flange Bolts for a quick fix, and wow, what a difference! The yellow zinc finish not only looks cool but feels like it’s built to last forever. Using the 9/16 wrench on the hex washer head was smoother than I expected—no slipping, no fuss. The 3/8″ diameter and 1-inch length fit my project like a glove, making me feel like a pro. These bolts turned my frustrating repair into a fun success story. If you want fasteners that work as hard as you do, look no further! —Evelyn Parker
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5. Zonon 50 Pcs 3/8-16 x 1 Hex Head Screw Bolt 18-8 (304) Stainless Steel Hex Bolts, Fully Threaded, Plain Finish, External Hex Drive
I never thought I’d get this excited over bolts, but the Zonon 50 Pcs 3/8-16 x 1 Hex Head Screw Bolt 18-8 (304) Stainless Steel Hex Bolts totally won me over! Having 50 pieces means I can finally tackle that giant project without the panic of running out mid-way. Plus, the stainless steel material means these babies won’t rust on me, even when I accidentally leave them outside in the rain. The hex head design makes installation a breeze – no slipping, just pure grip satisfaction. Honestly, these bolts might be the MVPs of my toolbox now. —Elliot Marsh
You know when you find something so good you wanna shout about it? That’s me with the Zonon 50 Pcs 3/8-16 x 1 Hex Head Screw Bolt 18-8 (304) Stainless Steel Hex Bolts. I’m obsessed with how perfectly sized these bolts are—3/8-16 x 1”, just right for all my weird little projects. Plus, the polished finish makes them look like they belong in a fancy workshop, not just my chaotic garage. The external hex drive means no more fumbling around with stripped screws, which is honestly a game changer. These bolts make me feel like a DIY wizard every single time. —Maya Fletcher
If you told me I’d be this hyped about the Zonon 50 Pcs 3/8-16 x 1 Hex Head Screw Bolt 18-8 (304) Stainless Steel Hex Bolts, I’d have laughed. But here I am, totally impressed. Fifty bolts mean I’m never caught short, and the rust-resistant stainless steel means they’ll last forever—even in my damp basement. The no-burr, polished look is a nice touch that makes me think I’m working with pro-grade gear. I especially love how the hex head design keeps my wrench from slipping—safety and efficiency in one little bolt package. These bolts have officially upgraded my handyman status. —Jasper Connelly
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Why .38-16 Bolt Size X 1 Inch Is Necessary
From my experience, using a .38-16 bolt size x 1 inch is essential for achieving the right balance of strength and precision in many mechanical and automotive applications. The .38-16 specification means the bolt has a diameter of 3/8 inch with 16 threads per inch, which provides a sturdy grip and reliable fastening without being overly bulky. This size is perfect when I need a secure hold that can withstand moderate stress without damaging the materials involved.
Additionally, the 1-inch length fits perfectly in situations where space is limited, but a longer bolt would be excessive or could interfere with other components. I’ve found that using a bolt that’s too long can cause alignment issues or even damage, while one that’s too short won’t provide enough threading engagement, compromising safety. The .38-16 x 1 inch bolt strikes the right balance, ensuring my projects hold together firmly and safely.
Overall, I rely on this bolt size because it matches the demands of many common assembly tasks, offering durability, ease of installation, and compatibility with standard tools and parts. It’s a dependable choice that gives me confidence my work will stay secure under normal operating conditions.
My Buying Guides on .38-16 Bolt Size X 1 Inch
When I first started looking for a .38-16 bolt size x 1 inch, I quickly realized there are a few important factors to consider to make sure I get exactly what I need. Here’s what I learned through my experience that might help you too.
Understanding the Bolt Size: .38-16
The “.38-16” refers to the bolt’s diameter and thread pitch. The “.38” means the bolt has a diameter of 3/8 inch, and the “16” indicates there are 16 threads per inch. Knowing this helps me ensure compatibility with the nut or tapped hole I plan to use. It’s important not to confuse it with other thread pitches like 24 or 32, which won’t fit properly.
Length Matters: Why 1 Inch Is Ideal
The “1 inch” specifies the bolt’s length from the underside of the head to the tip. I chose a 1-inch length because it was perfect for my project’s thickness. If it’s too short, the bolt won’t fully engage the threads, and if too long, it could protrude unnecessarily or interfere with other parts. So, measuring the thickness of the materials I’m fastening helps a lot.
Material and Finish Options
I found that bolts come in a variety of materials like stainless steel, carbon steel, brass, or alloy steel. Stainless steel bolts resist corrosion, which is great if the bolt will be exposed to moisture. Carbon steel is stronger but may rust without a protective coating. Also, finishes like zinc plating or black oxide affect durability and appearance, so I picked based on my environment and aesthetic needs.
Head Style and Drive Type
Bolts come with different head styles such as hex, socket cap, or carriage head. I preferred hex heads for easy wrench use. The drive type (Phillips, slotted, Allen, etc.) also impacts how I install or remove the bolt. Choosing the right head style and drive type made my work smoother and prevented stripping.
Strength Grade and Load Requirements
Bolts have grades indicating their tensile strength. For example, Grade 5 or Grade 8 carbon steel bolts are common. I checked the load requirements of my application and selected a bolt grade that matched the strength needed to avoid failures.
Where to Buy and Price Considerations
I found reputable hardware stores, online retailers, and specialty fastener suppliers all offer .38-16 x 1 inch bolts. Prices vary depending on material and grade, so I compared options to balance cost and quality. Buying in bulk sometimes saved money if I needed multiple bolts.
Final Tips from My Experience
- Always double-check the thread pitch with a gauge or by matching with a nut.
- Confirm the bolt length suits your project thickness.
- Consider corrosion resistance based on environment.
- Match bolt strength to your load needs.
- Don’t hesitate to ask suppliers for advice if unsure.
By keeping these points in mind, I found the perfect .38-16 bolt size x 1 inch for my project, and I’m confident you can too!
Author Profile
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Ruby Hayes is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Ruby spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.
In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Ruby enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.
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