What is the difference between a Strong-Bolt and a Thunderstud wedge anchor?
A Strong-Bolt™ is a wedge anchor specifically designed for optimum performance in both cracked and uncracked concrete – a requirement that the 2006 IBC places on post-installed anchors. Rigorously tested according to the latest industry-wide criteria, the Strong-Bolt anchor is proven to offer increased reliability in the most adverse conditions, including performance in cracked concrete under static and seismic loading. The proprietary tri-segmented clip has dual undercutting embossments on each segment, which enables secondary or “follow-up” expansion if a crack forms and intersects the anchor location. This significantly increases the ability of the Strong-Bolt wedge anchor to carry load if the hole opens slightly due to a crack. The Strong-Bolt anchor sets like a standard wedge anchor and is available in Imperial fractional sizes. The ThunderStud® wedge anchor consists of two pieces permanently preassembled into a single unit. The carbon steel rod is threaded for a portion of its le