Simpson 1/4" x 2-1/4" Strong-Bolt 2 Wedge Anchor, Zinc Plated Crack Sealer twin-lead thread

twin-lead thread

diameter drill bit is required to pre-drill the hole for this anchor

Multi-Cutter with Universal Arbor

which provides corrosion resistance and durability for demanding structural applications

What does the ring shank do compared to a smooth shank nail

Simpson 1/4" x 2-1/4" Strong-Bolt 2 Wedge Anchor, Zinc Plated Crack Sealer twin-lead threadSimpson STB2 25214F100 Strong Bolt 2 1 4 in. x 2 1 4 in. Wedge Anchor, Zinc Plated is a high performance wedge type expansion anchor from Simpson Strong Tie, engineered for demanding structural fastening applications in concrete and masonry. Built from zinc plated carbon steel, this anchor is an optimal choice for high performance installations even in seismic and high wind conditions, and is qualified for seismic design categories A through F. Key