thanks guys,

bought a mixed set of these

http://www.ebay.co.uk/itm/1619981580...%3AMEBIDX%3AIT

to see if any would work in the way i want.

just to say these are not for my printer, but parts i printed, i wanted style of the print bolts, and while i can get them i think these look better and may end up redoing my printer with these.