Simpson CD25312M 1/4" X 3-1/2" Mushroom Head Crimp Anchor - Zinc, Pkg 100 15 Degree Plastic Coil Fencing/Siding Nails these screws are perfect for

these screws are perfect for cedar

Ensure tight

Self-piercing tip: Eliminates the need for pre-drilling in steel up to 18 gauge

Bugle head – Flush countersinking for a clean deck surface

architectural detailing with code-listed strength

Simpson CD25312M 1/4" X 3-1/2" Mushroom Head Crimp Anchor - Zinc, Pkg 100 15 Degree Plastic Coil Fencing/Siding Nails these screws are perfect forThe Simpson Strong Tie Crimp Drive anchor is an easy to install expansion anchor for use in concrete and grout filled block. The pre formed curvature along the shaft creates an expansion mechanism that secures the anchor in place and eliminates the need for a secondary tightening procedure. This speeds up anchor installation and reduces the overall cost. The low profile mushroom head works excellent for attaching wood or light gauge steel to concrete