6CT Zinc Anchor & Screw

6 Count, The Zinc Borefast Anchor & Screw in One. One-piece anchor for fastening into drywall and masonry materials. Borefast anchors self-drill through drywall and easily penetrate both 20 gauge wood and metal studs. They also fasten intoconcrete, brick, block, and plaster when a 3/16" hole is pre-drilled. 1-1/2" length