Simpson HDIA31 Hollow Drop-In Internally Threaded expansion Anchor 5/16" A Angles tool-free bit changes and efficient

tool-free bit changes and efficient power transfer

12" Working Length: Provides the reach needed to work efficiently across a variety of surface preparation and demolition tasks

It is intended for non-corner

resulting in a cleaner finished appearance

Simpson HDIA31 Hollow Drop-In Internally Threaded expansion Anchor 5/16" A Angles tool-free bit changes and efficientThe Simpson Strong Tie HDIA31 Hollow Drop In Internally Threaded Expansion Anchor is an internally threaded, flush mount expansion anchor engineered for attaching threaded rod to support conduit, cables, and lighting. Manufactured by Simpson Strong Tie, this anchor is uniquely designed to perform in both hollow base materials such as CMU and hollow core plank and solid base materials including brick, normal weight concrete, and lightweight concrete,