Simpson HDIA31 Hollow Drop-In Internally Threaded expansion Anchor 5/16" A Angles ensuring full post bearing for

ensuring full post bearing for maximum load transfer

field-ready performance

Curved-collated for compatibility with the Quik Drive auto-feed screw driving system

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

Simpson HDIA31 Hollow Drop-In Internally Threaded expansion Anchor 5/16" A Angles ensuring full post bearing forThe 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,