Monday, September 26, 2022

What Is A Biscuit Joiner?: The Best Woodworking Tool

Are you into woodworking and looking for a biscuit joiner that can make your workpiece look attractive? Look no further. This article will help you with that.

Note: In any vocational practice, you’ll always need the right tools for the right job. However, joinery requires the right joint method for the right job.

I will divide this article into sections to help you understand what a biscuit joiner is. In the first section of this article, I will give you an overview of what a biscuit joiner is.

Having known what that is, I will go further in the next section to explain how it works.

Furthermore, I will give you a rundown of the features/ factors to consider when buying a biscuit joiner. Even more, you will get to know its pros and cons.

Subsequently, I will give my recommendations by providing you with some amazing biscuit joiners you may want to try.

After that, you will get answers to some frequently asked questions. Then, finally, you’ll get to know my final thoughts.

So, you’re just a few scrolls away from knowing how to execute a wonderful woodwork project with a biscuit joiner.

Please keep your eyes glued on this article as I take you through the article.

What Is A Biscuit Joiner: An Overview

A biscuit joiner, also known as a plate joiner, is a woodworking tool used for joining two pieces of wood together.

Basically, they are used for creating (i.e., cutting) a small crescent shape hole on opposite sides of two pieces of wood.

Then, apply glue into the holes and on the biscuit.

The biscuit is then inserted into the holes, after which the two pieces of wood are clamped together.

By coming in contact with the wet glue, the biscuit expands, thus improving the bond between the clamped pieces of wood.

This makes the joints look very strong and reliable. They also help to ensure alignment in your workpiece.

Generally, the biscuit size depends largely on the two pieces of wood you want to join together.

Nevertheless, to provide the best surface area for the glue to work its magic, it is advisable you use the largest biscuit possible.

Also, how far apart biscuits are should depend on the size of the wood you are using for the joinery.

Biscuits normally come in three different sizes:

#0: 5/8 inch by 1 3/4 inches

#10: 3/4 inch by 2 1/8 inches

#20: 1 inch by 2 3/8 inches

The #20 (1 inch by 2 3/8 inches) is usually used for most joinery, except in cases where you’re working with narrower materials.

However, it is essential that you use the largest biscuit that fits your joinery project from the available three sizes.

Not only will it add beauty to your workpiece, but it will also make it look solid.

Going further, I will tell you some of the uses of a biscuit joiner, but that will be under the how it works section.

What Is A Biscuit Joiner: How It Works

A few tips on how it works are provided here.

A biscuit joiner is often used in furniture construction, which helps create a strong and rigid joint in your workpiece.

A biscuit joint is usually created by putting a thin rectangular hardwood dowel into a slot cut open in a workpiece.

Typically, the biscuit has two parts, the head and the tail.

The head of the biscuit usually sits on top of the surface being joined. On the other hand, the tail sits below it.

The biscuit holds the joint tight when two pieces of wood are joined together.

Uses Of A Biscuit Joiner

Practically, they can be used for several joinery tasks.

Nevertheless, the following itemized points will give you a clearer view of their usefulness in woodworking.

You can use them to add strength to certain types of joints, especially ones that rely on glue to hold the woods together.

Also, you can use them to align long edge-to-edge joints.

More importantly, you can use them to join any two pieces of wood together.

If you want to make a biscuit joint, you’ll need the following tools:

  • A biscuit joiner
  • A glue
  • A saw (jigsaw or handsaw)
  • A drill and
  • A sandpaper

The sandpaper is optional, though it can help provide smooth surfaces in your workpiece.

To make a very nice biscuit joint, ensure that your biscuit joiner is set to the correct size of the biscuit.

That is, you should set it to suit the size of the biscuit you want to insert into the slot.

Biscuit joiners are often fitted with adjustable fences, allowing you to make various miter cuts.

Always make use of the manual to avoid making silly mistakes.

Also, ensure you measure the thickness of the pieces of wood you wish to join.

After that, set the depth of the cut on the jointer to half the thickness.

The next thing you should do is mark the location of the joint on both pieces of wood.

Then, cut a slot into each piece of wood on the marked spot.

After that, apply a fair amount of glue into each slot and then insert a biscuit.

Also, you need to make the biscuit seat well in the slot, then add the glue to dry up.

Finally, combine the two pieces of wood and apply a little pressure to make the joint stronger.

What Is A Biscuit Joiner?: Features/Factors To Consider

Factors To Consider

In this section, I will explain some important factors to consider when choosing or buying a biscuit joiner.

This will help in ensuring that you get the right tool for your needs.

Below are some of the factors to consider:

The Blade Diameter

The cutting blade’s diameter is one of the essential features of a biscuit joiner.

It is the diameter of the blade that determines the length of the slots in the wood pieces.

The most common biscuits are usually four inches in length. Hence, most biscuit joiners usually come with a 4-inch cutting blade.

However, some biscuits are typically two inches in length. So you can make use of them if you’re working with smaller pieces of wood.

If you intend to work with smaller biscuits, look for joiners that allow you to switch to a two-inch blade.

Most Dewalt models help you switch from a 4-inch to a 2-inch, and you can find them on Amazon.

The Cutting Speed

Cutting speed, usually, is a function of motor power, but then, it is a matter of concern.

Here’s what I think you should know; Faster spinning blades help you to cut through hardwoods without difficulty.

Whereas slow biscuit joiner blades may become overheated when cutting through hardwoods.

The Cutting Angle

Here’s another factor to consider when choosing a biscuit joiner.

Typically, most simple joints require a 90-degree cut to join two boards together with a biscuit.

However, other complex projects require a higher cutting angle of about 135-degree or more.

So, if you want to give your workpiece that professional outlook to your utmost desire, then this is what to do.

Get yourself a biscuit joiner that is able to go beyond the 90-degree cut, like the PORTER-CABLE Plate Joiner.

The Weight

This is another factor to consider before choosing a biscuit joiner.

The weight of the biscuit joiner will increase the fatigue you’ll experience while using the tool for longer periods.

So, it’s better to go for a biscuit joiner weighing less than 10 pounds slightly.

It will help reduce the fatigue you may likely experience from using the tool for extended periods.

The Tool Dimension

The dimension of your biscuit joiner will determine how easy it will be to fit around oddly shaped pieces of wood.

Also, in terms of maintenance and storage, you will have to consider the dimension.

This is because the dimension will affect how easy it will be to store the tool in your workshop.

What Is A Biscuit Joiner: Pros And Cons

Biscuit joiner will undoubtedly, play a key role in providing a professional outlook on your woodwork project. However, like every other woodworking tool, the biscuit joiner has its pros and cons.

Here, in this section, I will highlight them for you.


You can use It On Different Types Of Wood

You can actually use biscuit joiners on different types and sizes of wood.

So, no matter the woodwork project you’re planning to execute and the size of the wood.

You can trust the biscuit joiner to do the job for you.

It Gives Your Work A Professional Look

Using wood in any design project, especially in homes, helps add natural beauty to it.

However, to achieve that natural beauty in your workpiece, you’ve got to make use of the right tools.

A biscuit joiner, therefore, helps in making your workpiece look not only beautiful but also professional.

Strength Enhancement

One of the things you should strive to achieve when working on any woodwork project is the strength and durability of your structure.

This will help ensure its security and add value to your workpiece.

By applying the right method, you can use a biscuit joiner to enhance the strength of your structure.

It Enables You To Cut With Confidence

Basically, the type of tool you use to execute a project will, no doubt, impact its outcome. Thus, woodworking is no exception.

Using a biscuit joiner to execute a woodwork project will certainly enhance your confidence. It helps to achieve the right shape and size that you’re looking for.

It is also quite easy to use and does not lead to wastage. You can easily finish the job with careful measurement, a quick cut, and a little glue.

The careful measurement helps you to ensure that the pieces of wood to be joined together are properly aligned.

Also, the glue provides the moisture that a biscuit needs for expansion. The expansion in the biscuit helps in holding the joint tight.

They Are Easy To Assemble

Biscuit joiners are quick and easy to assemble.

This makes them a great choice for projects that need to be done in a hurry.

So, if you have a woodwork project that you want to execute as quickly as possible, the biscuit joiner is there to help you out.

It Can Withstand Pressure

Biscuit joiners can withstand a lot of pressure and are less likely to break than other types of joints.

As such, they are better suited for projects that require a lot of strength and stability.

It Offers Value For Money

With a biscuit joiner, you can carry out different projects without having to worry about replacing your tool.

However, there is a need for proper maintenance of the tool. This will help it to survive some hard working conditions.


  • Although biscuit joiner is a great tool, there is the possibility of struggling with getting the right sizes and shapes.
  • Sometimes, you may get upset while using it due to poor-quality cuts.
  • Also, it may not work well with pieces of wood below 0.25 inches.
  • The biscuits tend to be exposed, which brings the idea of a perfect and smooth finish under question.
  • In cases where the slots are too deep, it can lead to a line depression on your pieces of wood, thus making your workpiece look undesirable.
  • As stated earlier, a biscuit joiner helps ensure alignment in your workpiece.
  • However, you may still experience some misalignment issues due to lurching.
  • Also, biscuit joints are usually not as strong as other joint types because biscuits are often made from softer wood.
  • Lastly, biscuits do not penetrate deeply into the woods being joined.

What Is A Biscuit Joiner: My Recommendations

ProductDimensionWeightMaterialBlade LengthSpeed
VonHaus 8.5 Amp Wood Biscuit Plate Joiner18.82 x 7.87 x 6.54 inches8.23 poundsMetal100 Millimeters10,000 RMP
RYOBI 6 Amp AC Biscuit Joiner 14.76 x 8.54 x 7.83 inches10.08 poundsPlastic/Metal100 Millimetres9,000 RMP
DEWALT Biscuit Joiner‎15.8 x 6.4 x 6.8 inches‎9.53 poundsAluminum100 Millimeters10,000 RMP
‎PORTER-CABLE18 x 13 x 8 inches10.23 poundsPlastic100 Millimeters10,000 RMP
Lamello16.75 x 12.5 x 6 inches10.5 poundsAluminum‎100 Millimeters10,000 RPM

Frequently Asked Questions

Frequently Asked Questions
1. What Is A Biscuit Joiner, And What Is It Used For?

A biscuit joiner is a woodworking tool used to combine pieces of wood.

2. When Should I Use A Biscuit Joiner?

When working on a joinery project, you can use a biscuit joiner to make your workpiece strong, solid, and attractive.

3. What Are The Disadvantages Of A Biscuit Joint?

Biscuit joints tend to be exposed when pressure is mounted on them.

4. How Do You Join Two Pieces Of Wood Together?

Arrange the piece of wood, apply woodworking glue into the slots, then insert the biscuit into the slots.

5. What Is The Difference Between A Joiner And A Jointer?

There is no difference between a biscuit joiner and a biscuit joiner.
It’s still the same tool.

6. Do You Glue Biscuits?

Yes, you can.
But it’s not always advisable to apply glue on biscuits. So instead, apply it to the slots.

7. How Long Does It Take For Biscuit Joints To Dry?

It normally takes about 24 hours for biscuits to dry properly.
However, you can also leave it for more than 24 hours before stressing the joint.

8. Do Biscuits Expand With Glue?

Biscuits expand in the slot after they’ve been soaked in glue.
This makes it fit highly tight in the slot, thus ensuring a solid joint.

9. How Do You Connect Biscuits To Wood?

You start by using the biscuit joiner to cut slots in each of the two pieces you want to join together.
Also, adhere to the manufacturer’s instructions by using the manual.

10. What Are The Advantages Of A Biscuit Joint?

Biscuit joiner helps to enhance the strength of your workpiece and also gives it a professional outlook.

What Is A Biscuit Joiner: My Final Thoughts

In the previous section, I discussed some advantages of using a biscuit joiner.

And honestly speaking, the advantages you’ll enjoy from using it in executing your woodwork project far exceeds the disadvantages.

You can actually use biscuit joiners on different types and sizes of wood.

Biscuit joiners can withstand a lot of pressure and are less likely to break than other types of joints.

As such, you can use them for projects that require a lot of strength and stability.

Not only do they make your workpiece look solid, but also they add beauty to it.

You may want to consider getting this tool for yourself to make your job easier.

Scroll to the recommendation section and click on any products to order from Amazon.

So that you know, they are not as expensive as you think.

They are quite affordable and offer great value for money.

I hope you found this Powerversity article helpful.

Then, kindly share your thoughts by filling out the ”Leave A Reply” form found towards the end of this page.

Also, you may want to read other articles from our website, then visit the pages below:

What Is A Chop Saw

Kelvin Bobb-Chika
Kelvin Bobb-Chika
Kelvin Bobb-Chika is a Content writer at He holds a B.Sc.Ed degree in Political Science. He loves reading, researching, singing, travelling and watching sports games. Kelvin writes buying guides, reviews, and best-pick articles for


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