Simpson HDIA31 Hollow Drop-In Internally Threaded expansion Anchor 5/16" Portable Rebar Cutter offering flexibility across a variety

offering flexibility across a variety of project sizes and connection types

Complete Kit - Includes biscuits

Back-to-back pairing on a single piece of lumber without fastener interference

standoff helps prevent rot at the end of the post by keeping the wood elevated away from the concrete surface

Simpson HDIA31 Hollow Drop-In Internally Threaded expansion Anchor 5/16" Portable Rebar Cutter offering flexibility across a varietyThe 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,