Simpson HDIA50 1/2" Hollow Drop-In Anchor - Zamac 3, Pkg 50 LSTHD/STHD Strap-Tie Holdowns Simpson Strong-Drive connector nails are

Simpson Strong-Drive connector nails are designed to provide optimal performance with used with the recommended Simpson connectors

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

The carried member may be sloped up or down to 45° with full table loads

reliability

Simpson HDIA50 1/2" Hollow Drop-In Anchor - Zamac 3, Pkg 50 LSTHD/STHD Strap-Tie Holdowns Simpson Strong-Drive connector nails areThe 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.