25PK 1/4x1-3/4 Screw Bolt

Screw-Bolt+ anchors are a one-piece, heavy duty screw anchor with a finished hex head. The patented thread design offers toughened threads for tapping high strength concrete. These anchors are ideal for use in concrete construction, structural applications, racking, fences & railings, drywall, glazing, and temporary applications such as scaffolding.