Have this Wedge Anchor delivered onsite. Parabolic mandrel for a smoother expansion. 360 degree 1-piece clip that functions as a 2-piece clip. Can be installed into bottomless hole. Cold formed for increased strength. Drill an appropriate size hole into base material. Clean hole using a dust blower or compressed air. Insert the nut with a clearance of 1/8 in. to the top of the anchor. With a hammer or light mass, insert the anchor into the hole. Remove the nut and insert the object to be installed. Using a wrench, tighten the nut by turning clockwise until there is a strong resistance. (2 to 3 turns will fully set the anchor).