JinLong Machinery markets a variety of very small vibrator motors, the
smallest of which are on 4mm in diameter, and 12.1mm in length, a
guide to their models can be found on their site:
However, not of their motors seem too operate on voltages as high as
6-12v. Most are rated at a maximum of 2.4v or 4v. You have specified
what you need them for, so I am not sure if a lower voltage it
Another site, Global Source, also have a wide range of vibration
A lot of the products listed there are sourced from the company I
mentioned above, but there are a number of other brands represented
As far as I am aware, most of these vibrator units are simply a motor
with an off centre weight attached. With this in mind I have also
looked for small DC motors, with the thought that the vibrating
weights may be available seperately. Although I have not found any
sites advertising them.
The Maxon Motor company offer a range of small DC motors fitting your
Unfortunately, I have not found a product that matches your volage
criteria exactly, but I hope that perhaps something in the range of
micro vibration motors I have found is suitable.
DC vibrator motors
DC motors small
If the lower voltage mean that the options I have found are
unsuitable, please feel free to request a clarification and I will
continue, but from your question, it seemed that the size was your
I hope this helps!