The polishing jewellery site is the "distilled" version of the full Moleroda site - the idea being that no sane jeweller would want the full lot...
Nice bunch, only just up the road from me; they make the abrasive nylon & felt products on site.
Oh, and they do servicing on Saeshin micromotors too (which I hope not to need, but having to go all of 8 miles is not much of a hardship). I know a few jewellers locally who have bought the Strong 209a micromotors; they're finding them a revelation.
Define best?
If you need something with a chuck rather than collets (so you can work with other than 3/32" tools) then a micromotor isn't going to help much. Brushless micromotors are generally higher torque than brushed. Maximum speed is only occasionally an issue (mine will go to 50kRPM, but the handpiece I'm using isn't rated beyond 35k).
Buy the best micromotor you can afford, with special regard to torque (although torque is rarely disclosed in the description). The second benefit would be to have interchangeable hand pieces, so that you can have a hammer hand piece for setting and riveting.
The preferred foot control should also control the speed and not simply be an on/off switch.
That said, you can buy a perfectly acceptable entry level Marathon micromotor for under £100 from China. I bought one as a stand by and have been using it as my main motor for the last year, because I like the feel of it. The slight lack of torque can be made up by increasing the speed.
beware of buying the angled (contra angle) dental hand piece, because it takes shorter, notched (latch type) burrs.
I have often thought however, that a contra angle handpiece would be much more comfortable for making seats for flush and pave settings. Dennis.
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