Simpson HDIA25SS 1/4″ Hollow Drop-In Anchor – Zamac 3, Pkg 100

The 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. Suitable for suspending conduit, cable trays, pipe supports, fire sprinklers and suspended lighting into concrete. The stainless steel cone avoids corrosion or rust and is ideal for wet or damp environments.
Installation:

• Installation Instructions Solid Base (using solid setting tool):
• Drill a hole in the base material using the appropriate diameter carbide drill bit as specified in the table. Drill the hole to the specified embedment depth.
• Blow the hole cl