Description
- Adjustable clamping bracket has threaded fitting to accept 1.5″ NPT threaded extension column
- Expands to bridge ceiling joists and transition to vertical extension column Joist Width:16-23″ (254-584 mm)
The Chief CMA-385 Internal Joist Mount expands to bridge ceiling joists on 10-23″ centers. The CMA-385 has a clamping bracket that adjusts from 8.50-21.50″ and has a threaded fitting that accepts a 1-1/2″ NPT threaded extension column.
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