Simpson Strong-Tie 7/8" x 34-7/8" SSTB Anchor Bolt for Holdowns & Shear Walls - Plain Deck Anchors this screw features underhead nibs

this screw features underhead nibs and a Type 17 fast-start point that drive easily and countersink smoothly into wood deck boards

commercial framing

Use in cracked and uncracked concrete

The "chair" is designed for optimum concrete flow when concrete is wet and meets the code requirement of 1"

cable trays

Simpson Strong-Tie 7/8" x 34-7/8" SSTB Anchor Bolt for Holdowns & Shear Walls - Plain Deck Anchors this screw features underhead nibsSimpson Strong Tie SSTB Anchor Bolts are built to secure holdowns and shear walls to concrete foundations in demanding structural applications. Installed before the concrete cures, these anchor bolts provide the strength and reliability needed for residential and commercial construction. The offset angle design helps reduce stress on the surrounding concrete while providing greater concrete cover around the anchor. Rolled threads add tensile strength