Simpson 3/4" x 5-1/2" Strong-Bolt 2 Wedge Anchor, 316 Stainless Steel PACK:10 Pk The HDIA31 is designed for

The HDIA31 is designed for use in both hollow and solid base materials

Chromium-Nickel-Molybdenum Steel Alloy Body: Ensures superior hammering quality and extended service life under high-impact conditions

One-piece split-drive design with a split-type expansion mechanism that compresses as the anchor is driven

the Spike® will expand due to the residual spring action of the expansion mechanism

Simpson 3/4" x 5-1/2" Strong-Bolt 2 Wedge Anchor, 316 Stainless Steel PACK:10 Pk The HDIA31 is designed forSimpson Strong Bolt 2 Wedge Anchor, 3 4" x 5 1 2", 316 Stainless Steel by Simpson is a high performance wedge type expansion anchor engineered for demanding concrete fastening applications. Constructed entirely of Type 316 stainless steel anchor body, nut, washer, and clip this anchor delivers long lasting corrosion resistance across a wide variety of service environments, making it an optimal choice for both indoor and outdoor structural connections.