The ESA was original internally threaded mechanical anchor design. The malleable lead shield allows for secure mounting. Installation Instructions: Drill a hole in the base material using the appropriate diameter carbide drill bit as specified in the table. Drill the hole to the specified embedment depth plus 1/8-inch for flush mounting. Blow the hole clean using compressed air. Overhead installations need not be blown clean. Insert anchor into hole. Using a piloted setting punch, drive expander shield over cone. Position fixture; insert fastener and tighten.
16 Threads per Inch
3/4-inch Drill Bit Diameter
380-pounds Allowable Tension
The Minimum Concrete Thickness is 1-1/2 times the Embedment Depth
One Piloted Setting Punch is Included in Each Box