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Chief CMA385 Internal Joist Mount

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About the Chief CMA385

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.

Chief CMA385 Includes

  • Chief CMA385 Internal Joist Mount
  • 4 x 1/4-20 x 4" Carriage Bolts
  • 4 x 1/4-20 Nylock Nuts
  • 8 x No.10 x 1.5" Wood Screws
  • Installation Instructions
  • Chief Warranty

Chief CMA385 Features

  • 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:10-23" (254-584 mm)

Chief CMA385 Specifications

Extension 14.1" - 23" (35.8 - 58.4 cm)
Load Capacity 300 lbs (136.1 kg)
Dimensions (H x W x D) Overall: 4.1" x 4.5" x 22.7" (105 x 114 x 577 mm)
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