Simpson HDIA50 1/2" Hollow Drop-In Anchor - Zamac 3, Pkg 50 LSTHD/STHD Strap-Tie Holdowns Tapcon Blue Hex Head Concrete

Tapcon Blue Hex Head Concrete Screws are trusted by pros and weekend warriors alike for quick

reliability

code-recognized solution for securing wood sill plates and structural members to concrete foundations

enhancing structural integrity

Simpson HDIA50 1/2" Hollow Drop-In Anchor - Zamac 3, Pkg 50 LSTHD/STHD Strap-Tie Holdowns Tapcon Blue Hex Head ConcreteThe 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.