Eric The Viking":1q6tjnbx said:http://www.axminster.co.uk/accessor...s/general-machinery-accessories/handles-knobs
I bought some of their handwheels - eminently suitable for this but will need a boss as they're 12mm i.d.
Yes, I saw those, but wanted to stick with the M8 to make it less fiddly, so discounted them.