3/8 in. x 3-3/4 in. wedge Anchor (15-Pack)

The Parawedge anchor stud is cold formed and consists of a threaded section with standard coarse bolt threads at 1 end and a parabolic mandrel at the opposite end for a smoother expansion. It has a 360 degree 1-piece clip that functions as a 2-piece clip for more contact, a torque controlled expansion and can be installed into a bottomless hole. 3 head styles are available. Hex nut, wire hanger and tie down hook. More than 39-sizes are available, in 2 types of material: Carbon steel and 304 Stainless steel. Approvals: UL. Underwriters Laboratory - File #EX 4687.|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 turns to 3 turns will fully set the anchor)