This article is a summary of a YouTube video "Square Holes - 5 Methods To Make Them in Metal" by Artisan Makes

4 Methods for Creating Square Holes: Which Is the Best?

TLDRLearn how to create square holes using four different methods: filing, milling, shaping, and rotary broaching. Each method has its advantages and disadvantages, but the rotary broaching method is the quickest and most efficient.

Key insights

⚙️Creating square holes is challenging but possible with the right tools and techniques.

📐Filing a round hole into a square hole is the most basic method, but it requires skill and patience.

🔧Using a milling machine can yield precise square holes, especially with a digital readout or CNC machine.

✂️Shaping the hole using a rotary broach is the quickest method, but it requires specialized tools.

Each method has its advantages and disadvantages, so choose the one that suits your needs and available tools.

Q&A

Is it possible to create square holes without specialized tools?

Yes, you can file a round hole into a square hole with a triangular file, but it requires skill and practice.

Which method is the most precise?

Using a milling machine with a digital readout or CNC capabilities allows for precise square holes.

Are rotary broaches expensive?

Rotary broaches and the necessary cutters can be expensive and may be harder to find.

Can I use these methods to create other shapes?

Yes, you can adapt these methods to create hex or internal spline shapes.

Which method is the quickest?

The rotary broaching method is the quickest, as it creates square holes in a matter of minutes.

Timestamped Summary

00:01Introduction to the challenge of creating square holes and the four methods covered in the video.

01:42The filing method involves filing a round hole into a square hole using a triangular file.

05:02Using a milling machine allows for precise square holes, especially with a digital readout or CNC machine.

09:52Shaping the hole using a rotary broach is the quickest method, but it requires specialized tools.

12:39The lathe-mounted rotary broach creates square holes efficiently.