Simpson HDIA62 5/8" Hollow Drop-In Anchor - Zamac 3, Pkg 25 Collated Roofing Nails the HIT hanger is a

the HIT hanger is a go-to choice for contractors seeking performance and durability

plus uncracked masonry where approved

and coarse threads for maximum holding power

Flexible design: Roofjack size accommodates pipes from 4-1/4" - 7-3/4"

Simpson HDIA62 5/8" Hollow Drop-In Anchor - Zamac 3, Pkg 25 Collated Roofing Nails the HIT hanger is aThe Simpson Strong Tie Hollow Drop In Anchor (HDIA) is an internally threaded, flush mount expansion anchor for use in hollow materials such as CMU and hollow core plank, as well as in solid base materials such as brick, normal weight and lightweight concrete. The expansion design allows anchoring to CMU, hollow core plank, brick, normal weight concrete and lightweight concrete while the internally threaded anchor allows for easy bolt removal.