Step 5: T-nuts and large flat head screws M6x10 are screwed into all the waist holes of the hanging
plate, as shown below:
Note: First screw all T-nuts and screws into the middle and side hanging plate waist holes.
Step 6: Fix the first side hanging plate to the beam, and align the side of the hanging plate with the
cross section of the beam.
Note: Side hang board alignment.