this post was submitted on 07 May 2024
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My friend’s dad thought he could send me to ask my dad for a square drill bit when I was like 10 but my dad had me helping him build an airplane in the garage as young as possible. So I told him
"You mean a mortising bit?"
https://m.media-amazon.com/images/I/61bLedj+QtL.jpg
He was doing it as a trick though. The guy didn’t build anything besides maintain his motorcycle
Are those really square or do they just stop drift?
Those drill square holes; it's a drill bit and a chisel combined, basically
So they drill round and you chisel it square.
Except it's all at once, rather than you having to drill the hole and then chisel it out. The chisel part of the bit pushes the wood towards the drill part of the bit as you drill, and then the drill part of the bit removes that wood, same as the wood the bit is actually drilling through
OHHHHHHHHHH. That’s cool!
They do indeed really cut square holes. They're called mortising bits. Like the other commentor stated, they're basically a combination of a chisel and a drill. The drill does most of the work in waste removal while the square blades give you 90° corners.
One could also potentially consider a rotary broach to be a "square drill" (supposing that it is a square and not a hex or other shape).
Thanks for explaining better than I possibly could.
Nah. Don't sell yourself short. Your explanation is accurate and to the point.
Well thank you for the vote of confidence, but no, your explanation is much better; mine was basically a summary, while yours is in-depth
Due to how my brain works (ADHD), I specifically have trouble with being concise. So, despite what you may think, I find your accurate and concise explanation to be excellent.
Well fine then, let's both prefer each other's answer :P
Honestly, I am glad you liked my simplified explanation; I greatly appreciated your in-depth explanation.
Also, Lemmy is great, here we are arguing that the other guy's answer is better; on Reddit we'd be having the opposite argument
For those wanting to know how a rotary broach works https://youtu.be/IT8VXQEKzoo
It’s how the internal hex gets put into socket head cap screws