2. Assembled Z-axis fixed block
3. Install the Z-axis limit switch
End with Inside Screw upside
Holding two planes on the same plane
Four of each M4 * 8 screw
and M4 T-nut
Two of each M4 * 10 screw
and M4 T-nut
Two of each M4 * 14 flat head
screws and T-nuts