3/4" x 8-1/2" Strong-Tie THD75812HMG Titen HD Screw Anchor, Galvanized, Pkg 5 Hex Head 410 Stainless Steel Masonry Screws These are compatible with most

These are compatible with most 33 degree power nailers

expanding the body of the anchor to hold it in place

Adjustable design accommodates a wide range of stair angles

The compact head sits low for reduced visibility

3/4" x 8-1/2" Strong-Tie THD75812HMG Titen HD Screw Anchor, Galvanized, Pkg 5 Hex Head 410 Stainless Steel Masonry Screws These are compatible with mostSimpson Strong Tie Mechanically Galvanized Titen HD Concrete Screw Anchors provide code listed anchoring strength for interior and exterior applications. Designed for use in cracked and uncracked concrete, as well as uncracked masonry, these heavy duty screw anchors offer a fast, reliable alternative to traditional expansion anchors. Unlike wedge anchors, Titen HD anchors install by drilling a pilot hole and driving the anchor directly into place,