Wej It Fastening Systems

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instruction for double expansion shield

Installation Instructions
  1. Drill hole of recommended diameter (slightly deeper than length of shield).
  2. Clean the hole using compressed air and a nylon brush.
  3. Install shield flush with surface of hole threaded side down. Double shield should be flush to slightly below masonry.
  4. Place fixture. Insert machine bolt through fixture into shield and tighten.
  5. Single: To determine length of bolt: thickness of fixture plus length of shield, equals length of bolt
    Double: A deep setting increases holding power of masonry. If desired, place a pipe sleeve between shield and fixture being attached.

NOTE: Always wear safety glasses. Follow the drill manufacturer's safety instructions. Use only solid carbide-tipped drill bits meeting ANSI B212.15 diameter standards.

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