Adam Savage’s Favorite Tools: Glass-Cutting Rotary Bit

This tool tip was learned the hard way by Adam on a job he did (with Jamie!) many years ago that required precision carving around a glass bottle. Back then, the job took hours and hours with careful and stressful application of a circle cutter. And it was only afterward that Adam learned about the efficiency and precision of a hardened steel glass cutting bit for his Dremel rotary tool. Let’s watch a demonstration of this tool that shows why Adam always has a few on hand in his shop!

Comments (5)

5 thoughts on “Adam Savage’s Favorite Tools: Glass-Cutting Rotary Bit

  1. The link for the bits says hardened steel, but the amazon link actually goes to diamond bits. While diamond bits will do the job and I use my set often, I was actually more curious about the hardened steel version.

  2. The Foothill HAM swap meet was so amazing! I started going when I first moved to the Bay, and every time there would be some new amazing find. Along with the swap meet aspect it was also a great place to get esoteric information before you could find info online. I stopped going shortly after it moved to De Anza when the ratio of cool surplus stuff to cheap junk started to shift to junk, so I can’t speak to its current incarnation. I think this somewhat coincided with Ebay taking off as a place to sell rarities.

  3. Hey Adam,

    What was Jamie’s reaction when/if you showed him one of these? Presumably he has almost-as-painful (from hearing it done) memories of the incident as you do.

  4. Reminds me of when I attempted the same operation on a glass bottle to make a rudimentary “machine” vaporizer many years ago… I used an alumina-abrasive arch shaped grinding stone in a dremel. It works quite well to make a divot, but you want to finish the hole from the other side if possible.

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