Simpson Strong-Tie HDIA37 HDIA Hollow Drop-in Internally Threaded Anchor for 3/8-in. Rod (50-Qty)
Special Features
- 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 carbon-steel cone
- Length: 1-1/4 inches
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