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Chapter 6 / The Frame
The cent er cross rail holes on the bottom of the support beams w ill
need to be tapped to accept the bolts. or you can drill access holes
to enable the installatio n of the bolts and nuts (see Figure 6.8).
Figure 6.8
Drill access holes.
Figure shows the bolt
access hole location for
center cross member.
Drill all your ho les a little overs ize for the bolts so tha t yo u w ill
have room to adj ust the pieces . I li ke to set up my dril l press vise
with tape to mark the locati ons of the holes from the end of the
material. In th is case. I used 1-1/ 2 inch centers (see Figure 6.9).
Figure 6.9
Using tape to mark hole
locations.
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