ETA approved for cracked and uncracked concrete, seismic loading, redundant non-structural applications (6mm)F120 fire ratedRatchet teeth on the underside of the hex washer head lock against the fixtureRemovable and vibration resistantCan be installed closer to the edge than traditional mechanical anchorsThese bolts are simple to install, easy to identify and fully removable. The thread design is designed for use with standard size drill bits, reduces installation torque and enhances productivity. The steel threads along the anchor body tap into the hole during installation to provide keyed engagement and allow for reduced edge and spacing distances.