1/4 in. x 3 in. Hammer-Set Nail Drive Concrete Anchors - 25 Pack

The Hammer-Set anchor is a mechanical drive anchor consisting of a zinc die cast expansion body and zinc plated steel expander drive pin. Hammer-Set anchors are medium-duty anchors designed for a variety of fastening applications in concrete, block and brick. Use Hammer-Set anchors to attach drywall track, electrical boxes and clips, flashing, lumber and more.
Works in concrete, block and brick
Great for fastening electric boxes, conduit clips, roof flashing, plywood and 2 x lumber
Fast, easy installation
Install through material to be fastened
Low profile mushroom head
For indoor and outdoor use
Not for use in overhead applications