These rails came with four blocks and the hole patterns on the blocks are only1.375'' on center for each.
Will I need all four blocks: two on the top rail two on the bottom, to mount my z axis? Or will one on each rail work?
I plan to mount these to a 5' piece of 3.0x6.0 80/20 aluminum for my gantry. WOuld it be possible to mount each rail on a t-slot and get accurate alignment?
http://cgi.ebay.com/ws/eBayISAPI.dll...DME:L:RTQ:US:1
Thanks!