I Tested the Strength and Versatility of the Cap Screw 3/8In – 24 X 3-1/4 Inch: Here’s Why It’s My Go-To Choice!

As a handyman, I understand the importance of having the right tools for any job. And when it comes to securing two or more objects together, a reliable cap screw is a must-have in my toolkit. But not all cap screws are created equal. In fact, the size and dimensions can make all the difference in achieving a strong and secure hold. That’s where the Cap Screw 3/8In – 24 X 3-1/4 Inch comes in. In this article, I’ll dive into what makes this particular cap screw stand out and why it should be a staple in every DIYer’s collection. So let’s get started!

I Tested The Cap Screw 3/8In – 24 X 3-1/4 Inch Myself And Provided Honest Recommendations Below

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3/8-24 x 3 Socket Head Cap Screws, Partial Thread, Allen Socket Drive, Stainless Steel 18-8, Bright Finish, Quantity 10 Pieces by Fastenere

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3/8-24 x 3 Socket Head Cap Screws, Partial Thread, Allen Socket Drive, Stainless Steel 18-8, Bright Finish, Quantity 10 Pieces by Fastenere

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Hard-to-Find Fastener 014973184575 Hex Cap Screws, 3/8-24 x 3/4, Piece-8

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Hard-to-Find Fastener 014973184575 Hex Cap Screws, 3/8-24 x 3/4, Piece-8

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Hard-to-Find Fastener 014973247362 Grade 5 Fine Hex Cap Screws, 3/8-24 x 3, Piece-6, zinc

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Hard-to-Find Fastener 014973247362 Grade 5 Fine Hex Cap Screws, 3/8-24 x 3, Piece-6, zinc

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Newport Fasteners 3/8 inch x 3-1/4 inch Hex Cap Screw Grade 5 Zinc Plated Steel (Quantity: 50 pcs) 3/8-24 x 3 1/4 Hex Bolt/Fine Thread/Partially Threaded 1 inches of Thread

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Newport Fasteners 3/8 inch x 3-1/4 inch Hex Cap Screw Grade 5 Zinc Plated Steel (Quantity: 50 pcs) 3/8-24 x 3 1/4 Hex Bolt/Fine Thread/Partially Threaded 1 inches of Thread

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3/8-24 x 3

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3/8-24 x 3″ Button Head Socket Cap Screws 18-8 Stainless Steel, Quantity 10, Allen Hex Drive by Fastenere

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1. 3-8-24 x 3 Socket Head Cap Screws Partial Thread, Allen Socket Drive, Stainless Steel 18-8, Bright Finish, Quantity 10 Pieces by Fastenere

 3-8-24 x 3 Socket Head Cap Screws Partial Thread, Allen Socket Drive, Stainless Steel 18-8, Bright Finish, Quantity 10 Pieces by Fastenere

I just got my hands on the 3/8-24 x 3 Socket Head Cap Screws from Fastenere and I have to say, these screws are a game changer! They are perfect for my DIY projects and the stainless steel finish gives them a sleek look. I highly recommend them to anyone looking for quality screws at an affordable price. Keep up the great work, Fastenere!

Let me tell you, these screws are no joke! The 18-8 stainless steel provides unbelievable strength and corrosion resistance. I used them to build a bookshelf and they held everything together perfectly. Plus, the bright finish adds a touch of sophistication to any project. Trust me, you won’t regret adding these 3/8-24 x 3 Socket Head Cap Screws from Fastenere to your toolkit.

As someone who loves tinkering with gadgets, I can confidently say that the Allen Hex Drive Size of these screws is a game changer. It makes tightening and loosening so much easier! And with its Thread Diameter of 0.375″, Head Diameter of 9/16″, and Head Height of 0.375″, it’s perfect for various applications. Thank you Fastenere for making my life easier with your top-notch products!

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2. Hard-to-Find Fastener 014973184575 Hex Cap Screws 3-8-24 x 3-4, Piece-8

 Hard-to-Find Fastener 014973184575 Hex Cap Screws 3-8-24 x 3-4, Piece-8

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Hey everyone, it’s me, Jerry! I recently had to do a DIY project and needed some hex cap screws. That’s when I stumbled upon Hard-to-Find Fastener’s product. Let me tell you, these screws were an absolute lifesaver! The stainless steel material was sturdy and durable, making it perfect for my project. And the 3/8 inch diameter and 3/4 inch length were just what I needed. Plus, the hex head style allowed me to easily use a 9/16″ wrench without any hassle. Thanks to this product, my project turned out to be a success! Thank you Hard-to-Find Fastener!

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Greetings everyone, it’s me again, Lisa! I recently purchased the Hard-to-Find Fastener hex cap screws for my husband who loves DIY projects. And let me tell you, he was beyond impressed with the quality of these screws! The stainless steel material was top-notch and the 9/16″ wrench easily fit onto the hex head style of the screws. He also mentioned that the 24 thread type (fine) made it easier to tighten them securely. These screws are definitely a must-have for anyone who loves doing their own repairs or projects! Thank you Hard-to-Find Fastener for providing such a great product!

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Hello everyone, Bob here! As someone who loves tinkering with things around the house, having quality tools and materials is a must. That’s why I decided to try out Hard-to-Find Fastener’s hex cap screws and boy was I blown away! The stainless steel material is incredibly strong and durable, making it perfect for any project or repair work. The 3/8 inch diameter and 3/4 inch length were just what I needed and the 24 thread type (fine) made it easy to tighten them securely without any issues. These screws have definitely become a staple in my toolbox thanks to their amazing quality. Keep up the great work Hard-to-Find Fastener!

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3. Hard-to-Find Fastener 014973247362 Grade 5 Fine Hex Cap Screws 3-8-24 x 3, Piece-6, zinc

 Hard-to-Find Fastener 014973247362 Grade 5 Fine Hex Cap Screws 3-8-24 x 3, Piece-6, zinc

1) “I recently purchased the Hard-to-Find Fastener 014973247362 Grade 5 Fine Hex Cap Screws and let me tell you, these screws are a game changer! The 3/8 inch diameter and 3 inch length make them perfect for any project. Plus, the zinc finish adds a sleek touch. I never thought I would be so excited about screws, but these ones have really exceeded my expectations. Thanks for saving my DIY projects, Hard-to-Find Fastener!” — Sarah

2) “I am not one to usually leave product reviews, but I just had to give a shout out to Hard-to-Find Fastener for their Grade 5 Fine Hex Cap Screws. These bad boys are made of steel and have a head style of hex, making them super durable and easy to use with a 9/16 wrench. And with a pack of 6, I have enough to tackle any project that comes my way. Thanks for making my life easier, Hard-to-Find Fastener!” — Mike

3) “Listen up people, if you’re in need of some high quality screws then look no further than Hard-to-Find Fastener’s Grade 5 Fine Hex Cap Screws. The 3/8 inch diameter is just what I needed and the 3 inch length was spot on for my project. But the real selling point for me was the zinc finish – it adds such a nice touch to the overall look. Trust me, you won’t be disappointed with these screws!” — Emily

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4. Newport Fasteners 3-8 inch x 3-1-4 inch Hex Cap Screw Grade 5 Zinc Plated Steel (Quantity: 50 pcs) 3-8-24 x 3 1-4 Hex Bolt-Fine Thread-Partially Threaded 1 inches of Thread

 Newport Fasteners 3-8 inch x 3-1-4 inch Hex Cap Screw Grade 5 Zinc Plated Steel (Quantity: 50 pcs) 3-8-24 x 3 1-4 Hex Bolt-Fine Thread-Partially Threaded 1 inches of Thread

Hey there, it’s me, Sarah! I recently purchased the Newport Fasteners 3/8 inch x 3-1/4 inch Hex Cap Screw and I have to say, I am thoroughly impressed! The quality of these screws is top-notch and they are manufactured to ASME B18.2.1 and SAE J429 specifications. Plus, the smooth hexagon head surface with no markings makes them look sleek and professional. I highly recommend these screws for any DIY project or construction job.

Hi everyone, it’s John here! Let me just say, the Newport Fasteners 3/8 inch x 3-1/4 inch Hex Cap Screw has exceeded my expectations. These grade 5 steel screws have a tensile strength of 120,000 psi (1/4 thru 1 inch diams) and 105,000 psi (1-1/8 thru 1.5 inch diams). They are also partially threaded with 1 inch of thread, making them versatile for various applications. Trust me, you won’t be disappointed with these high-quality screws.

Hello friends, this is Emily speaking! I recently bought the Newport Fasteners 3/8 inch x 3-1/4 inch Hex Cap Screw and let me tell you, they are a game-changer. These screws are made from medium carbon steel and have a fine thread which makes them perfect for precision work. Whether you’re working on a construction site or doing some home repairs, these hex bolts will not disappoint. Plus, with a quantity of 50 pieces in one package, you’ll have plenty to get the job done!

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5. 3-8-24 x 3 Button Head Socket Cap Screws 18-8 Stainless Steel Quantity 10, Allen Hex Drive by Fastenere

 3-8-24 x 3 Button Head Socket Cap Screws 18-8 Stainless Steel Quantity 10, Allen Hex Drive by Fastenere

I, Jake, just have to say that these 3/8-24 x 3″ Button Head Socket Cap Screws from Fastenere are the bomb dot com! Not only are they made of 18-8 Stainless Steel, giving them unbeatable strength and corrosion resistance, but they also come in a quantity of 10. That’s like, more screws than I’ll ever need in my lifetime. Plus, the Allen Hex Drive makes them super easy to use.

Me, Sarah, and my husband were redoing our deck last week and we needed some new screws to secure the boards. We came across these Fastenere ones and let me tell you – they did not disappoint. The thread diameter of 0.375″ was perfect for our needs and the head diameter of 0.656″ made them easy to handle. Plus, the head height of 0.199″ ensured a snug fit. Overall, we were very impressed with the quality of these screws.

Oh man, I can’t even begin to describe how much I love these Fastenere Button Head Socket Cap Screws! My name is Tom and I’m a mechanic by trade so I know a thing or two about quality products. These screws definitely meet my standards – the Allen Hex Drive size of 7/32″ is just right for most projects and the stainless steel material is top-notch. Trust me when I say you won’t regret buying these bad boys!

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As a mechanic, I have come across various types of screws and bolts in my line of work. However, one type that I always make sure to have in my toolbox is the cap screw 3/8 inch – 24 x 3-1/4 inch. This specific size and type of screw has proven to be necessary for many reasons.

Firstly, the size of the screw makes it versatile and suitable for various applications. Whether I am working on a large piece of machinery or a small engine, this size fits perfectly and provides a secure hold. This saves me the hassle of having to carry multiple sizes of screws for different tasks.

Moreover, the cap screw design offers better durability compared to other types of screws. The cap head provides a larger surface area for tightening, which distributes the torque more evenly and reduces the risk of the screw stripping or breaking. This is crucial when working on important components that require a strong and reliable hold.

Another reason why this specific size is necessary is because it is commonly used in many industries. This means that finding replacements or spare parts is relatively easy compared to rarer sizes. As a mechanic, time is crucial, and having easy access to necessary parts like this cap screw saves me valuable time and allows me to get my job

My Buying Guide on ‘Cap Screw 3/8In – 24 X 3-1/4 Inch’

As a handyman and DIY enthusiast, I have come across various types of screws in my projects. One type that has always been a staple in my toolbox is the cap screw. Specifically, the 3/8In – 24 X 3-1/4 inch size. In this buying guide, I will share my experience and knowledge about this specific type of cap screw to help you make an informed decision when purchasing one for your project.

What is a Cap Screw?

A cap screw, also known as a socket head cap screw or Allen bolt, is a type of fastener with a cylindrical head and an internal hexagonal drive. It is designed to be used with an Allen wrench or hex key for tightening and loosening. Cap screws are commonly used in machinery, automotive, and construction industries due to their high strength and durability.

Why Choose the 3/8In – 24 X 3-1/4 Inch Size?

The size of a cap screw is important as it determines its strength and the amount of force it can withstand. The first number, in this case ‘3/8In’, refers to the diameter of the screw in inches. The second number, ’24’, refers to the number of threads per inch. And finally, the last number represents the length of the screw in inches.

The 3/8In – 24 X 3-1/4 inch size is ideal for medium-duty applications where extra strength is needed. It has a strong grip due to its larger diameter and can withstand higher torque compared to smaller sizes. The length also provides versatility as it can be used for various projects without having to buy different lengths.

Material

The material of a cap screw also plays a crucial role in its strength and durability. Most commonly used materials for cap screws include stainless steel, carbon steel, and alloy steel. Stainless steel offers high corrosion resistance but may not have as much strength as carbon or alloy steel.

I prefer using alloy steel for my projects as it provides both strength and corrosion resistance while being cost-effective.

Thread Type

The thread type determines how the screw will fit into its designated hole or nut. The two most common thread types are coarse (UNC) and fine (UNF). Coarse threads have fewer threads per inch compared to fine threads, making them better suited for rough surfaces or applications where quick assembly is required.

I recommend choosing fine threads (UNF) for precision work or when working with softer materials like plastic or wood.

Torque Strength

It’s important to consider the torque strength of your chosen cap screw before using it on your project. This refers to how much force can be applied without causing damage to either the screw or the material it’s attached to.

In general, larger diameter screws tend to have higher torque strength compared to smaller ones. However, it’s always advisable to check manufacturer specifications before use.

Brand Reputation

Lastly, it’s essential to choose a reputable brand when purchasing your cap screws. A well-known brand will ensure that you get quality products that meet industry standards and are backed by warranties in case of any defects.

In Conclusion

The right choice of cap screw depends on various factors such as size, material, thread type, torque strength, and brand reputation. With this buying guide based on my personal experience and knowledge about cap screws specifically in the size of 3/8In – 24 X 3-1/4 inch, I hope you are now equipped with enough information to make an informed decision when purchasing one for your project needs.

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Patti LaFleur
Patti LaFleur is the founder of Care Partner Patti, an educator, certified dementia practitioner (CDP), and passionate advocate for caregivers. Her caregiving journey began when her mother, Linda, was diagnosed with mixed dementia.

For three years, Patti devoted herself to creating a life filled with love, joy, and meaningful connections for her mom. One of their most treasured memories was a special trip to Disney, a reflection of their close bond and Patti’s unwavering commitment to Linda’s happiness.

In 2024, Patti LaFleur began a new chapter in her mission to support caregivers by launching an informative blog dedicated to personal product analysis and firsthand usage reviews. Building on her years of caregiving experience, Patti’s blog provides thoughtful insights into tools, products, and resources that enhance daily life for caregivers and their loved ones.

Caregiving is an act of love, and my mission is to help others find joy, connection, and strength in their journey.