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When it comes to the lumber you need to build virtually anything and everything, the 2×4 is always going to have its uses. These boards are used for roofing, flooring, building walls, frames, sheds, and so much more. These strong pieces of wood are very versatile in nature.





在同一個備注上,如果你手頭沒有圓鋸,使用斜切鋸is always a good option, and yes, the aforementioned table saw as well. However, let’s keep in mind that miter saws are not overly portable, and they require you to lay the wood onto the integrated worktable to cut it. Table saws also require you to place the workpiece onto the integrated table, and unless you get a benchtop model (which is not ideal for large stock), it’s not going to be very portable either.


Circular Saw

How to Cut a 2×4 with a Circular Saw



The first thing that you should do no matter the task at hand is to inspect your circular saw to see that it is in working condition. Make sure that the lower blade guard, the wiring, and the blade are all in good condition. The blade guard is crucial for your safety, and having a sharp blade that is not damaged or warped is also crucial to being able to make a straight cut.



As a rule of thumb, to ensure that the blade is set deep enough to make the cut, but also so that it does not protrude out too far past the workpiece, you want to set the blade at 1/4-inch deeper than the cut being made. Therefore, for this purpose, set the circular saw blade to a bit less than 2-1/4 inches since 2x4s are usually worked down to a slightly smaller dimensions.



Now, many people are going to tell you that you want to clamp it down for maximum safety. Yes, this is an option, although you can always just use your free hand to hold it down as well. Just make sure to apply plenty of pressure if you are holding the 2×4 down manually.

Step 4: Measure, Mark, & Make the Cut




You have now cut a 2×4 with a circular saw.




Simply place them so they are all perfectly lined up, thus allowing you to make multiple cuts with one straight motion.

When doing this, it is hard to hold down all of the 2x4s manually, so clamping down the individual boards to the table or bench is strongly recommended. If all of your marks are perfectly lined up, you can start the saw, get it up to full speed, and pass it through all of the 2x4s with a single sweep.

Can You Use a Circular Saw to Do Miter and Bevel Cuts on 2x4s?



Safety When Cutting 2x4s with a Circular Saw

Below are a few safety tips you should keep in mind when working on this task:

  • Always use proper safety equipment, which includes safety goggles, a mask, and ear protection
  • 在開始之前,請務必檢查您的鋸是否處於工作狀態
  • Make sure that you hold the saw properly
  • 始終使用正確的刀片深度來刪除
  • 隻使用鋒利和狀況良好的刀片
  • Never try to cut more than your arms can reach
  • Always keep live electrical cords out of the way

To learn more about the security precautions to take,read this article



  • Using the right blade for the job at hand is key; you don’t use the same blade for softwood as for hardwood, for example
  • If you are a beginner, using clamps as opposed to manually holding the piece down is recommended
  • 在進行斜切和斜麵切割時,始終使用適當的測量工具來確保您獲得角度
  • Always make sure the blade is running at full speed before making a cut


正如您可以看到的,一個圓鋸是一個非常多才多藝的tool for cutting 2x4s. You can make rip cuts, crosscuts, bevel cuts, and miter cuts.