Simpson ZN25034 1/4" X 3/4" Zinc Nailon Pin Drive Anchor - Zinc, Pkg 100 Masonry Screws Each anchor features a patented

Each anchor features a patented cutting thread and alternating raised-rib design that bites hard into concrete

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Simpson ZN25034 1/4" X 3/4" Zinc Nailon Pin Drive Anchor - Zinc, Pkg 100 Masonry Screws Each anchor features a patentedZinc Nailon anchors are low cost, mushroom head anchors for applications under static loads. The anchors are easily installed by hitting a hammer on the head that drives the pin through the anchor, expanding the body of the anchor to hold it in place. Ideal for use in concrete, CMU, brick, and other base materials. Pin and head configuration is designed to make anchor tamper resistant. This product is not for use in overhead applications.