What Size Screw for 3/4 Plywood and What Type of Screw do I Need?

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When you are building something with plywood, one of the most important aspects is getting the right size screw for your project. It can be difficult to know what type of screw to use in different situations. This article will provide information about what size screw for 3/4 plywood and also what types of screws work best with different types of plywood. We will go into detail about various scenarios where this knowledge would be helpful.

How to Select Screw for Plywood?

You can see that you need to be careful when selecting screws for plywood. This is because of the fact that it doesn’t have a regular thick surface as wood or drywall does. The normal thickness of plywood is between 1/8 inch to ¾ inch. But most popular are ½ inch plywood and ¾ inch plywood. When picking out your screw size, make sure you are using one slightly larger than its actual width (if this makes sense). You would want to use a flat head type screw if the base material will be visible in what you’re building. Of course, there’s no right answer on which type works best, but these tips should help narrow down your decision-making process!

Know More: Does Plywood Expand? Plywood Material Explained

screw head

The best way to determine what type/size screw you need for plywood is by looking at the thickness of your board. The size of the screw will depend on whether your plywood is a half-inch or three-quarter inch.

What Size Screw for 3/4 Plywood?

There are fewer plywood types than you might think. Plywood comes in either a half or three-quarter-inch thickness, and then it can be made out of softwood, hardwoods, veneers and laminates.

Know More: Check How Can You Plane Plywood

measuring screw size

If you are using ½ inch plywood, you would want to use screws that range from 1 and ¼ inches to 2 inches in length. If you have ¾ inch quarter wood, then the best size screws to go with this type of material range between 1 and ½ inches long up until around 2 and a 1/2 inches in length. The exact measurements can vary depending on what type/brand of drill bit you are using as well as how thick your board actually is. These guidelines should be good enough when it comes down to picking out proper sized screws. These same principles can be applied to any type of wood that is between 1/2 inch and 3/4 inch.

Type of Screw for Different Plywood

different types of screw

One thing you need to keep in mind when attempting to attach two pieces together with screws is that there are different types of screws available depending on what type/brand drill bit you have and your materials. You can use a drywall screw if both boards being attached are ¾ inch thick. You could opt for using an exterior screw that has a smooth shank so it doesn’t catch or split the material as its interior counterpart would. If one side isn’t plywood, this won’t apply since there will not be any visible screws.

Know More: How to Cut a Square Hole in Plywood

If you are using ¾ inch plywood, then the best option would be to use an exterior screw. It is specifically designed for this type of material because it has a smooth shank. It won’t come out easily like its drywall counterpart would do on the interior side of your board without causing damage to either one. If both sides aren’t going to be seen in what you’re building together, then there’s no need to worry about which kind of screw is being used since they will all hold up equally well when appropriately attached. Just make sure they go into studs/joists if possible, or at least attach them through items such as masonry blocks so that everything holds tight!

Some Tricks and Tips

plywood tearing out
  • When using a screw to attach two pieces of wood together, the drill bit you use must match up with the size of your screws. This will ensure that your boards are attached securely and properly. If the drill bit is too big, then you could end up with a mess on your hands in terms of damaged wood. Suppose it’s not even close to being the right size. In that case, this can result in something called “came out”, which means that when you hit resistance and try to go further down into whatever material you’re drilling through (in this case, plywood), it doesn’t have enough power or torque behind it causing damage to both materials.

Know More: Learn How to Flatten Warped Plywood | 9 Best ways

bad screw head
  • Having a good grip around what type/size screws are needed for different types of plywood will help narrow down your decision-making process significantly! Even though there aren’t many options available, knowing these details ahead of time goes a long way. So, make sure that whenever use exterior screws designed specifically for this type of material that you don’t need to worry about them coming apart easily since they will be designed with durability in mind!


I hope this article was helpful in giving you the information that you need to know about what size screw for 3/4 inch and ½ inch plywood and also which type of screws are needed depending on different types of wood. If there’s anything else specific that you would like me to talk about, leave a comment below!

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