Simpson HDIA31 5/16" Hollow Drop-In Anchor - Zamac 3, Pkg 50 ABA/ABU/ABW Adjustable Post Bases The Simpson Strong-Tie APHH46 nominal

The Simpson Strong-Tie APHH46 nominal 4x6 Concealed Flange Heavy Joist Hanger delivers the perfect blend of structural performance and rustic aesthetics

Quik Guard® Coating – Provides strong corrosion resistance for long-term durability in outdoor builds

Code Compliant: Designed to meet modern structural framing requirements

Manufactured from durable steel and available in multiple size options

Simpson HDIA31 5/16" Hollow Drop-In Anchor - Zamac 3, Pkg 50 ABA/ABU/ABW Adjustable Post Bases The Simpson Strong-Tie APHH46 nominalThe 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.