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Simpson Strong-Tie HDIA37SS - 304SS Hollow Drop-in Expansion Anchor 3/8' 50ct

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$111.43

$ 49 .99 $49.99

In Stock

About this item

  • Suitable for suspending conduit, cable trays, pipe supports, fire sprinklers and suspended lighting into concrete
  • Expansion design allows HDIA to anchor into CMU, hollow-core plank, brick, normal-weight concrete and lightweight concrete
  • Internally threaded anchor allows for easy bolt removal
  • Die-cast Zamac 3 alloy shell with Type 304 stainless-steel cone
  • Length: 1-1/4 inches


The Simpson Strong-Tie HDIA hollow drop-in anchor is an internally threaded, flush-mount expansion anchor designed for attaching threaded rod to support a variety of conduit, cables and lighting. This anchor is ideal for use with hollow base materials such as CMU and hollow-core plank as well as in solid base materials such as brick and both normal-weight and lightweight concrete. The HDIA can easily be installed in both hollow and solid materials with a setting tool.


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