Guides The Modding Toolbox: A Guide to Rotary Tools

Here's a question: are there any rotary tools, apart form Dremel 4000 series, that have constant speed control?

 

I'll second 3M for really nice abrasives, it's just not worth bothering with cheap paper/pads.

Proxxon's Micromot series (the IB/E and IBS/E specifically) are worth a look as an alternative to the higher-end Dremels. MUCH more sturdy construction, closer to a mini die-grinder. You can also go full-ham and stick them on one of their tiny mill/drill tables if you want to do something bonkers like mill your own custom micro-channel waterblock.

 

For woodwork, I've used 3M sandpaper but, now use Hermes Perdurable Silicon Carbide Sheets from Axminster, in my experience much more durable and tear resistant, especially sanding over edges and curves.

 

Thanks. I know a guy that uses one of those air systems for a cnc spindle and I was wondering what search engine verbiage would bring it up. I also get why he doesn't pay much attention to spindle speeds now.