Simpson CSD25212 1/4" X 2-1/2" Countersunk Head Split-Drive Anchor - Zinc, Pkg 100 Flat Head 410 Stainless Steel Concrete Screws The anchors are easily installed

The anchors are easily installed by hitting a hammer on the head that drives the pin through the anchor

it's easy to choose the right high-strength pre-assembled anchor bolt for your project's structural and code requirements

the LSC simplifies stair construction while delivering dependable structural performance

Installs with Strong-Drive SDS screws for fast

Simpson Smooth Shank - Common Nail is available in type 316 stainless steel as well 304 stainless steel

Simpson CSD25212 1/4" X 2-1/2" Countersunk Head Split-Drive Anchor - Zinc, Pkg 100 Flat Head 410 Stainless Steel Concrete Screws The anchors are easily installedThe Split Drive anchor is a one piece expansion anchor that can be installed in concrete, grout filled block and stone. As the anchor is driven in, the split type expansion mechanism on the working end compresses and exerts force against the walls of the hole. The Countersunk head allows for a smooth surface when attaching wood or light gauge steel to concrete and grout filled block surfaces. Installation: For Common Rafters: Drill a hole in base