I didn't realise the centre was hollow - i.e. so you can put a bolt through from the underside! If you have a reversible drill you probably wouldn't need a lock nut. You would still need a chuck with 14mm capacity though (which would rule out a lot of drills).

FWIW I don't see any delivery charge on those e-bay adapters. £2.99 delivered. (£3.49 delivered for 2x in another listing).

These things will shake your arm to bits in no time!

could I attach this to a dremel?

Hot! Have reserved a couple to use with a drill to refurbish some metalwork. Had a look at M14 bolts to make this work in a drill and they are mainly high tensile! Didn't fancy the work cutting the head off them so tracked down an M14 spindle adapter with a 10mm shank on ebay (so should fit almost any drill) £2.99 delivered. There are more expensive ones with hex shanks but I think this should do the job. Does anyone know of anything cheaper?
http://www.ebay.co.uk/itm/Spindle-Adapter-M14-to-10mm-backing-pad-wire-brush-polishing-foam-drill-grinder-/361286316118?hash=item541e57b056:g:A7gAAOSwBahVRQCf

Great for polishing the car

We bought a few last time, did the realise how small they were. Had to get 90mm one

:confused:

What would you grind with this? Looks like a good exfoliator :smiley:

Or you could use an M14 bolt and a locknut in a drill

How does this attach to grinder please ?

Odd, I was looking at this exact item earlier