Short video showing how drill bits are made.

JD Seller

Well-known Member
I posted below of how I have had good luck with Triumph Twist drills. I was looking on their site and they have this video showing how drill bits are made. Kind of neat to watch.

http://triumphtwistdrill.com/drill-bits-101/
Drill bit 101
 
Having been in the design/test/production environments my entire civilian career, I had the opportunity to be exposed to the requirement for a machine to accomplish a certain task and the folks who make their living developing that machine. My hat's off to them.

When you consider the importance of a machine working FLAWLESSLY (aka like the requirement in the video) for millions of operations, over 10's of years, with minimum interruptions, it surely becomes an awesome task. I know the Iron/rust Belt had many many designers and producers of quality machinery that did what was required.

Every day I touch something that makes me wonder how it was made and with what kind of machinery.

Thank you sir for the input.
 
Thanks, that was interesting! Good to see manufacturing like that still in US. Probably located there because of the large demand in the nearby mining industry.
 
I've been using drill, taps and reamers most of my working life and never saw how drill are made. I would like to have seen the flute cutting operation in that video.
 
Sure surprised me! I had always figured that flutes were cut before hardening, then cleaned up in a later process after hardening.
 
Yeah, they left out the good part, guess they don't want to give away their secret.

What I want to see is how they make the micro-drills? How do they make through-coolant drills, especially the little ones?

I was looking at a catalog the other day. They had 1/8" shank, .001 solid carbide end mills. How do they make THAT! And what kind of machine runs it?

I couldn't even get it in the machine without breaking it! LOL
 
That's what I missed. Looked like they were heat treated when in the ingot stage. That didn't make any sense to me. Course, to the
contrary, if you had cold rolled steel wire and did all the machine work to it, all the sharp edges and points primarily, I doubt they would
hold up in the furnace without getting a grinder after them when retrieved.
 
TOO funny, a video about how twist drills are made that shows EVERYTHING 'cept how twist drills are made!
 

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