Hi Garage Nut. Your post was a long time ago, but maybe this can still help. I purchased my blank end arbor from Arc Euro Trade for GBP18.30. A relative living in Ireland brought it out for me when on vacation to the RSA. Here is my post on a slitting saw arbor: http://www.homemadetools.net/forum/l...112#post112533
Have you tried Toolquip and Allied in Port Elizabeth?