I have some of these and I have to admit, they are heavy duty. Does anyone have any experience with these? I'd like to use them on the long X axis of a CNC lathe. Do they hold up to all eh stresses that 4-way LM guides do? I was told that the ones I have would "easily support the head of your Tormach 1100" . I just have no experience with these and would love some insight.

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