Grinder flange adaptors?

[monkeymark]

My grinder uses what I would call the "normal" center bore discs (black n decker, something like m14 thread).

Work has recently purchased Makita grinders that have a 22mm bore and a few hundred discs to go with them.

Now, it seems such a shame that I can't help them use their stock..... Doesn't it?!?!

Can you get adaptors to use the smaller bore discs on mine? Checked fleabay to no avail.

 

[sardine]

The standard thread is M14, and the standard bore of disks is 22mm for 115/ 125/ 230mm. 100mm grinders use 16 mm bore, and M10 thread.

I looked for the flange and but to use the former on the latter grinder but I only going ones on eBay from Hong Kong, which states all kinds of rubbish measurements. Better of getting them turned and tapped by a friend.

 

[monkeymark]

Thanks for that.
Our lathes should be up and running soon so maybe that can be my first lathe project.
Same thread of course but but with a smaller diameter step to centre the discs. Can't be too hard... I hope.