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I'm looking at the BOM and the CAD models, and I'm confused about the number and type of screws necessary here.

  • On the exploded X motor end diagram, there are two socket head cap screws (ANSI B18.3 - 6-40 UNF - 0.5) that hold on the nut cap. What do these thread into? You seem to use sheet metal screws for attaching the X inner slide, but not for the nut caps.

  • what are all these imperial socket head cap screws used for? The 8-32 x 3/8, the 8-32 x 1/2, and the 6-32 x 1/2?

Thanks so much in advance, and for your great design.