Simpson HDIA37 Hollow Drop-In Internally Threaded expansion Anchor 3/8" Powers For routers that are not

For routers that are not compatible with the standard 2-inch center-to-center template guide mounting

automatic digit inversion for overhead measurements

heavy-duty tool engineered for accurate

body made from 7-gauge steel

Built from 7-gauge steel and finished in Simpson Strong-Tie gray paint

Simpson HDIA37 Hollow Drop-In Internally Threaded expansion Anchor 3/8" Powers For routers that are notThe Simpson Strong Tie HDIA37 HDIA Hollow Drop In Internally Threaded Anchor is an internally threaded, flush mount expansion anchor engineered for attaching threaded rod to support conduit, cables, and lighting. Designed for versatility across both hollow and solid base materials, this anchor delivers reliable holding power in CMU, hollow core plank, brick, normal weight concrete, and lightweight concrete all with the convenience of a flush mount