The lag screw can then be installed with a wrench or socket tool.
The sides of the lag shield push out against the inside of the hole once the lag screw is installed, thereby locking it in place.Size: 5/16 inch X 1-3/4 inchAllows for lag screw bolts to be installed into concrete, brick & blockInserts into a hole by tapping with a hammer until flushLag screw expands the lag shield against the walls of the holeDrill hole with masonry drill bit based on diameter on anchor After drilling a hole into the material, lag shields should be tapped into place ribbed side first until flush with the surface. Long Lag Shield, 5/16" Dia, 1-3/4" L, Alloy Steel Plain, 50 PK Lag shield anchors allow lag screws to be installed into concrete and masonry walls.