Where do I get parts for a Philips Sonicare 6930 toothbrush please?

The unit head is very loose and it isn't the inherent problem of the loose screw.

rickharris10 months ago

Did it not occur to you to tell us where in the world you are?

https://www.google.co.uk/#q=Philips+Sonicare+6930+...

is about the best you will do, these consumer items are not really intended to be repaired, just used and replaced.