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Clamp
Clamps 2
Holds are drilled
in the beam to suit 1/4â� screws, and the screw is fitted after
which the nut can be screwed on from below.
Clamps 3
Holds are drilled
in the beam to suit 5/16â� screws. The hook is passed over a bearer
and the nut tightened from below.
Alternately the
hole in the beam can be threaded and the clip fitted from above.
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