The KB-TZ expansion anchor is available in Type 316 stainless steel, the first SS316 stud anchor on the market to receive ICC-ES approval (ESR-1917). Additionally, it is designed specifically to 2003, 2006, and 2009 (approval pending) International Building Code requirements. Suited for seismic and cracked concrete applications, the anchor includes a wedge design to reduce requirements for edge distance and anchor spacing. These anchors are ideal for tension zone and concrete-over-metal deck applications. It has been qualified in accordance with ACI 355.2 and AC193 for use in seismic design environments. Hilti Inc. 800-879-8000.