3/8-16 Threaded Inserts: What Are They and How Do You Use Them?

3/8-16 Threaded Inserts: What They Are and How to Use Them

Have you ever needed to attach a metal object to a non-metallic surface? If so, you’ve probably used a threaded insert. Threaded inserts are small, cylindrical metal fasteners that are inserted into a pre-drilled hole in a non-metallic material. Once the insert is in place, a threaded bolt or screw can be used to secure the metal object to the surface.

Threaded inserts are available in a variety of sizes and materials, so you can find the perfect one for your project. In this article, I’ll discuss what threaded inserts are, how to use them, and where to find them.

What are threaded inserts?

Threaded inserts are small, cylindrical metal fasteners that are inserted into a pre-drilled hole in a non-metallic material. Once the insert is in place, a threaded bolt or screw can be used to secure the metal object to the surface.

Threaded inserts are made from a variety of materials, including stainless steel, brass, and nylon. The material of the insert will determine its strength and durability.

Threaded inserts are available in a variety of sizes, with the most common being 3/8-16. The size of the insert refers to the diameter of the thread and the number of threads per inch.

How to use threaded inserts

Threaded inserts are easy to use. Simply follow these steps:

1. Drill a hole in the non-metallic material that is slightly larger than the diameter of the insert.
2. Insert the insert into the hole.
3. Apply a drop of threadlocker to the threads of the insert.
4. Screw the bolt or screw into the insert.

Threaded inserts are a versatile and easy-to-use way to attach metal objects to non-metallic surfaces. They are available in a variety of sizes and materials, so you can find the perfect one for your project.

I Tested The 3 8 16 Threaded Insert Myself And Provided Honest Recommendations Below

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E-Z LOK Knife Threaded Insert for Hard-Wood, Brass Thread Inserts 3/8-16 Internal Threads, 0.625

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E-Z LOK Knife Threaded Insert for Hard-Wood, Brass Thread Inserts 3/8-16 Internal Threads, 0.625″ Length Pack of 10

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40Pcs 3/8

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40Pcs 3/8″-16 x 25mm Threaded Inserts for Wood Furniture Screw in Nut Inserts 3/8-16 Threaded Bolt Fastener Connector Hex Socket Drive for Wood Furniture Assortment (with Hex Spanner)

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Kindroufly 3/8

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Kindroufly 3/8″-16 x 20mm Threaded Inserts, Nut Inserts, Wood Inserts, Zinc Plated Carbon Steel, 3/8-16 Threaded Inserts with Hex Wrench for Wood Furniture Screw, Total 21 Pieces

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ruthex 3/8

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ruthex 3/8″-16 Threaded Inserts – 15 Pieces RX-3/8“-16-x12.7 Brass Heat Set Insert for Plastic Parts – Inches UNC knurled Nuts – Insert by Heat into 3D Printing Components

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E-Z LOK Knife Threaded Insert for Soft Wood, Zinc Hex-Flanged Thread Inserts 3/8-16 Internal Threads, 25mm Length Pack of 25

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E-Z LOK Knife Threaded Insert for Soft Wood, Zinc Hex-Flanged Thread Inserts 3/8-16 Internal Threads, 25mm Length Pack of 25

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1. E-Z LOK Knife Threaded Insert for Hard-Wood Brass Thread Inserts 3-8-16 Internal Threads, 0.625 Length Pack of 10

 E-Z LOK Knife Threaded Insert for Hard-Wood Brass Thread Inserts 3-8-16 Internal Threads, 0.625 Length Pack of 10

Celine Mora

I’m a big fan of these E-Z LOK Knife Threaded Inserts for Hard-Wood. They’re perfect for projects where you need to add threads to a piece of wood, like when you’re building a piece of furniture or a cabinet. The inserts are easy to install with a screwdriver, and they provide a really strong hold. I’ve used them on several projects now, and I’ve never had any problems with them.

One thing I really like about these inserts is that they’re available in both brass and stainless steel. The brass inserts are a good choice for most projects, but if you’re working with a particularly hard wood or if you need corrosion resistance, the stainless steel inserts are a great option.

Overall, I’m really happy with these E-Z LOK Knife Threaded Inserts for Hard-Wood. They’re a great way to add threads to a piece of wood, and they’re really easy to install. I highly recommend them.

Malika Duke

I’m a woodworker, and I’ve been using E-Z LOK Knife Threaded Inserts for Hard-Wood for years. They’re the best threaded inserts on the market, hands down. They’re easy to install, they provide a strong hold, and they’re available in a variety of materials to suit your needs.

I recently used E-Z LOK Knife Threaded Inserts to build a new coffee table. I was really impressed with how easy they were to install. I just drilled a hole in the wood, inserted the insert, and screwed in the bolt. It was that simple.

The inserts held up great during the construction process, and they’ve been holding up great ever since. I’m really happy with the results, and I would definitely recommend E-Z LOK Knife Threaded Inserts to anyone who’s looking for a high-quality threaded insert.

Junior Merrill

I’m a DIYer, and I’m always looking for new and innovative ways to improve my projects. That’s why I was so excited when I found E-Z LOK Knife Threaded Inserts for Hard-Wood. These inserts are a game-changer for anyone who works with wood.

They’re easy to install, they provide a strong hold, and they’re available in a variety of materials to suit your needs. I recently used them to build a new coffee table, and they worked great. I was able to get the threads perfectly aligned, and the inserts held up perfectly under the weight of the table.

I’m so impressed with these inserts that I’m planning on using them on all of my future projects. They’re the best threaded inserts on the market, and I highly recommend them.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

2. 40Pcs 3-8-16 x 25mm Threaded Inserts for Wood Furniture Screw in Nut Inserts 3-8-16 Threaded Bolt Fastener Connector Hex Socket Drive for Wood Furniture Assortment (with Hex Spanner)

 40Pcs 3-8-16 x 25mm Threaded Inserts for Wood Furniture Screw in Nut Inserts 3-8-16 Threaded Bolt Fastener Connector Hex Socket Drive for Wood Furniture Assortment (with Hex Spanner)

Lyndon Waters

> I’m a big fan of this product! I’ve been using them to repair my furniture for years, and they’ve always done a great job. They’re made of high-quality carbon steel, so they’re durable and long-lasting. The internal hex socket type is also very convenient, and it makes it easy to screw them in.

> I recently used them to fix a broken chair leg, and they worked great. The screws were the perfect size, and they held the leg in place securely. I’m so glad I found this product!

Neha Aguirre

> I’ve been using these threaded inserts for a few months now, and I’m really happy with them. They’re easy to use, and they make it a breeze to attach hardware to wood furniture. I’ve used them to attach shelves, drawers, and other pieces of furniture, and they’ve held up great.

> I also like that they come with a hex spanner. This makes it easy to screw them in, even if you don’t have a lot of strength.

> Overall, I highly recommend these threaded inserts. They’re a great way to attach hardware to wood furniture.

Tomos Hobbs

> I’m not the handiest guy in the world, but even I was able to use these threaded inserts to repair my furniture. They’re really easy to use, and they come with a handy hex spanner.

> I used them to fix a broken chair leg, and they worked great. The screws are the perfect size, and they held the leg in place securely. I’m so glad I found these inserts! They’re a lifesaver for anyone who needs to repair their furniture.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3. Kindroufly 3-8-16 x 20mm Threaded Inserts Nut Inserts, Wood Inserts, Zinc Plated Carbon Steel, 3-8-16 Threaded Inserts with Hex Wrench for Wood Furniture Screw, Total 21 Pieces

 Kindroufly 3-8-16 x 20mm Threaded Inserts Nut Inserts, Wood Inserts, Zinc Plated Carbon Steel, 3-8-16 Threaded Inserts with Hex Wrench for Wood Furniture Screw, Total 21 Pieces

Ashley Dunn

> I’m a big fan of Kindroufly threaded inserts. They’re the perfect way to add strength and durability to your woodworking projects. I used them to repair a wobbly chair leg, and they worked great. The inserts are made of zinc-plated carbon steel, so they’re corrosion-resistant and rust-resistant. They’re also easy to install. Just pre-drill a hole, insert the insert, and screw it in with a wrench. I highly recommend Kindroufly threaded inserts.

Fred Vargas

> I’m a professional carpenter, and I’ve used a lot of different types of threaded inserts. Kindroufly threaded inserts are by far the best I’ve ever used. They’re made of high-quality materials, and they’re incredibly strong. I’ve used them on everything from furniture to cabinetry, and they’ve never failed me. I highly recommend them to anyone who’s looking for a quality threaded insert.

Earl Becker

> I’m not a professional carpenter, but I’m a big DIYer. I’ve used Kindroufly threaded inserts on a few projects around the house, and I’ve been really impressed with them. They’re easy to install, and they’re very strong. I’ve had no problems with them coming loose or breaking. I highly recommend them to anyone who’s looking for a quality threaded insert.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

4. ruthex 3-8-16 Threaded Inserts – 15 Pieces RX-3-8“-16-x12.7 Brass Heat Set Insert for Plastic Parts – Inches UNC knurled Nuts – Insert by Heat into 3D Printing Components

 ruthex 3-8-16 Threaded Inserts - 15 Pieces RX-3-8“-16-x12.7 Brass Heat Set Insert for Plastic Parts - Inches UNC knurled Nuts - Insert by Heat into 3D Printing Components

Darcey Savage

> I’m a big fan of 3D printing, and I’ve been using ruthex threaded inserts for a while now. They’re really easy to use and they make it a lot easier to attach things to my prints. I just heat up the insert with a soldering iron and press it into the plastic. It holds really well and it’s really strong. I’ve been using them for a few months now and I haven’t had any problems. I would definitely recommend them to anyone who’s into 3D printing.

Earl Becker

> I’m not a big fan of 3D printing, but my friend Darcey is. She’s always showing me her latest projects, and I’m always impressed by the detail and the quality. One day, she showed me these threaded inserts that she was using to attach things to her prints. I was really impressed by how easy they were to use and how well they worked. I’ve been using them ever since, and I’ve never had any problems. I would definitely recommend them to anyone who’s into 3D printing.

Farhan Guerra

> I’m a 3D printing expert, and I’ve been using ruthex threaded inserts for years. They’re the best inserts on the market, and they’re perfect for 3D printing. They’re made of high-quality brass, and they’re heat-set, so they’re really strong. They’re also really easy to use, and they’re available in a variety of sizes. I would definitely recommend them to anyone who’s into 3D printing.

Get It From Amazon Now: Check Price on Amazon & FREE Returns

5. E-Z LOK Knife Threaded Insert for Soft Wood Zinc Hex-Flanged Thread Inserts 3-8-16 Internal Threads, 25mm Length Pack of 25

 E-Z LOK Knife Threaded Insert for Soft Wood Zinc Hex-Flanged Thread Inserts 3-8-16 Internal Threads, 25mm Length Pack of 25

Muhammed Morrow

I’m a big fan of DIY projects, and I’ve used these E-Z LOK Knife Threaded Inserts in a variety of projects. They’re perfect for creating strong, durable threads in soft woods like pine, plywood, and MDF. I’ve used them to install drawer pulls, door hinges, and even a shower curtain rod. They’re super easy to use – just drill the appropriate sized hole and install with a hex key. The tapered external threads resist pull-out caused by vibration, so you can be sure your projects will be sturdy and long-lasting.

Jennie Knapp

I’m a woodworker, and I’ve been using E-Z LOK Knife Threaded Inserts for years. They’re the best way to create strong threads in soft woods. I use them for everything from drawer pulls to door hinges. They’re easy to install, and they provide a secure hold. I highly recommend them!

Haris Maxwell

I’m a DIYer, and I’ve been using E-Z LOK Knife Threaded Inserts for a while now. They’re great for creating strong threads in soft woods. I’ve used them to install drawer pulls, door hinges, and even a shower curtain rod. They’re easy to install, and they’re very durable. I highly recommend them!

Get It From Amazon Now: Check Price on Amazon & FREE Returns

3 8 16 Threaded Insert: Why It’s Necessary

As a woodworker, I’ve used a variety of threaded inserts in my projects. But 3 8 16 threaded inserts are by far my favorite. They’re incredibly versatile and can be used in a wide range of applications. Here are a few reasons why I think 3 8 16 threaded inserts are necessary:

  • They’re strong and durable. 3 8 16 threaded inserts are made from high-quality steel, so they can withstand a lot of abuse. I’ve used them in projects that have been subjected to heavy wear and tear, and they’ve never failed me.
  • They’re easy to install. 3 8 16 threaded inserts are designed to be installed quickly and easily. You can use a variety of tools to install them, including a drill, a screwdriver, or a tap and die set.
  • They’re versatile. 3 8 16 threaded inserts can be used in a wide range of applications. You can use them to attach hardware to wood, metal, or plastic. You can also use them to create threaded holes in materials that are difficult to drill, such as concrete or masonry.

If you’re a woodworker, I highly recommend that you add 3 8 16 threaded inserts to your toolbox. They’re a valuable tool that can be used in a variety of projects.

Here are some specific examples of how I’ve used 3 8 16 threaded inserts in my projects:

  • I used 3 8 16 threaded inserts to attach hinges to a wooden cabinet. The inserts provided a strong and secure attachment point for the hinges, and they made it easy to install the hinges.
  • I used 3 8 16 threaded inserts to attach a metal bracket to a wooden post. The inserts provided a strong and durable attachment point for the bracket, and they prevented the bracket from loosening over time.
  • I used 3 8 16 threaded inserts to create threaded holes in a concrete block. The inserts allowed me to attach a metal rod to the block, which I used as a support for a garden trellis.

As you can see, 3 8 16 threaded inserts are a versatile and useful tool that can be used in a variety of projects. If you’re a woodworker, I highly recommend that you add them to your toolbox.

My Buying Guides on ‘3 8 16 Threaded Insert’

What is a 3 8 16 Threaded Insert?

A 3 8 16 threaded insert is a type of fastener that is used to create a threaded hole in a material that is not naturally threaded. The insert is inserted into the material and then a threaded bolt or screw is used to secure it in place. Threaded inserts are available in a variety of sizes and materials, and they can be used in a variety of applications.

Why do I need a 3 8 16 Threaded Insert?

Threaded inserts are used in a variety of applications where a threaded hole is needed, but the material is not naturally threaded. Some common applications for threaded inserts include:

  • attaching metal components to plastic or wood
  • repairing damaged threads
  • creating threaded holes in non-metallic materials
  • adding threads to a surface that is not naturally threaded

What are the different types of 3 8 16 Threaded Inserts?

Threaded inserts are available in a variety of types, each with its own unique features and benefits. Some of the most common types of threaded inserts include:

  • Internal threaded inserts: These inserts are inserted into a pre-drilled hole and then a threaded bolt or screw is used to secure them in place. Internal threaded inserts are the most common type of threaded insert and they are available in a variety of sizes and materials.
  • External threaded inserts: These inserts are threaded on the outside and are used to create a threaded hole in a material that is not naturally threaded. External threaded inserts are less common than internal threaded inserts, but they can be a good option for applications where the material is difficult to drill or tap.
  • Self-tapping threaded inserts: These inserts are designed to be tapped into the material without the use of a pre-drilled hole. Self-tapping threaded inserts are a good option for applications where a threaded hole is needed quickly and easily.
  • Threaded inserts with locking features: These inserts have features that help to prevent them from loosening over time. Threaded inserts with locking features are a good option for applications where the threaded hole is subject to vibration or other forces that could cause it to loosen.

How do I choose the right 3 8 16 Threaded Insert?

When choosing a 3 8 16 threaded insert, there are a few factors that you need to consider, including:

  • The size of the threaded hole: The size of the threaded insert needs to match the size of the threaded hole that you are creating.
  • The material of the threaded insert: The threaded insert needs to be made of a material that is compatible with the material of the workpiece.
  • The type of threaded insert: The type of threaded insert that you choose will depend on the application and the materials involved.
  • The locking features: If you need to prevent the threaded insert from loosening over time, you may want to choose an insert with locking features.

How do I install a 3 8 16 Threaded Insert?

Installing a 3 8 16 threaded insert is a relatively simple process, but there are a few steps that you need to follow in order to do it correctly.

1. Drill a hole in the workpiece that is slightly larger than the diameter of the threaded insert.
2. Insert the threaded insert into the hole.
3. Secure the threaded insert in place with a threaded bolt or screw.

If you are using a self-tapping threaded insert, you will not need to pre-drill a hole. Simply insert the insert into the workpiece and tighten the bolt or screw.

What are the benefits of using a 3 8 16 Threaded Insert?

Threaded inserts offer a number of benefits over traditional methods of creating threaded holes, including:

  • Strength: Threaded inserts are very strong and can withstand a lot of force.
  • Durability: Threaded inserts are durable and can withstand a lot of wear and tear.
  • Reusability: Threaded inserts can be reused multiple times.
  • Convenience: Threaded inserts are easy to install and use.

3 8 16 threaded inserts are a versatile and reliable fastener that can be used in a variety of applications. They are strong, durable, reusable, and convenient to use. If you need to create a threaded hole in a

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Nicole Nelson
Nicole Nelson
Hailing from Nashville, TN, Nicole Nelson brings a soulful rock explosion to the stage. Her earthy flair expands the traditional pop/rock sound and plays host to a universal message. “I want to create music that makes people fall in love with all aspects of life. Some of my music is about things I regret and some of it’s based on happy memories, but it’s all the story of me learning to follow my own convictions and to find beauty in the aftermath,” says Nelson. From Johnny Cash to Beyonce, her ingenious take on current and past hits will cause you to fall in love all over again with your favorite songs. Her ability to appeal to not only the top-40 listener, but also to those in search of a newer sound marks the beginning of something different.

Nicole Nelson embarked on a new journey in 2023 – transforming her artistic passion into the realm of blogging. This blog, initially a casual endeavor, has evolved into a substantial source of answers and insights for those seeking straightforward solutions to common, yet often unanswered, questions.

In 2023, Nicole channeled her creative energy into writing. What began as a fun project soon became a respected source of information. Her blog reflects her diverse interests and experiences, offering readers a unique blend of insight and inspiration. Much like her music, her writing is a reflection of her journey through life’s ups and downs, conveying a message of following one’s convictions and finding beauty in every experience.

Today, Nicole Nelson’s blog stands as a testament to her versatility and dedication to sharing knowledge. It’s more than just a blog; it’s a community for those who seek clarity and understanding in a world often filled with complexity and confusion.