Built with added corrosion protection to withstand some of the toughest of environmental conditions, Hilti's screw anchors KH-EZ CRC and KH-EZ SS316 are the ideal solutions for applications requiring ICC-ES approval for cracked concrete and seismic design. With a mechanically galvanized coating meeting ASTM B695 Class 55 specifications, Hilti's screw anchor KH-EZ CRC is engineered for use in outdoor or damp environments. Offering the industry's best corrosion protection, the screw anchor KH-EZ SS316 is manufactured using grade 316 stainless steel and utilizes carbide bits welded to the anchor for easy installation into concrete or grout-filled CMU.