Installing Lag Bolts Into Concrete

Clean any concrete dust out of each hole you drill with a vacuum cleaner or wire brush.

Installing lag bolts into concrete.

Use tapcon concrete screw anchors for installing sill plates electrical equipment furring strips and many other applications that require fastening into brick block. Use a hammer drill when installing anchors into hard surfaces such as stone concrete and brick. A pilot hole is a hole that is drilled into the material you wish to use a lag screw on. For example if you wanted to install a 2 x 4 to the lag shield you would need to make sure the lag screw had 1 1 2 of clearance and then about another 1 to 1 1 2 to install into the shield.

Next make sure you have a lag screw long enough for the installation. Screws for most light to medium duty tasks. The pilot hole serves as a guide for the. Use a wrench to turn the lag screw clockwise until tight.

This means you would need roughly a 3 lag screw to complete this. In this video i will show you how to drill into brick concrete and cement with a drill and also how to attach fix mount or anchor into a brick concrete or. Tapcon concrete screw anchors draw from its unique ability to tap its own threads into concrete making it an excellent alternative to expansion anchors plugs and lag shields. Diameter screws are plenty strong for most home tasks like installing furring strips screwing down walls to concrete floors and attaching hardware to block or brick.

To bolt into concrete you ll need a hammer drill a titanium or carbide tipped drill bit and wedge anchors. All of this information should assist in the safe and correct installation and use of concrete anchors and fasteners no matter what your application may be. The fixture is then placed over the lag shield inserting a lag screw through the fixture and into the lag screw. A lag screw is the poor man s concrete anchor.

The first thing to do is put your drill into hammer mode and drill a hole in the concrete. Regular drill bits will dull too quickly. Home centers and hardware stores stock concrete screws in two diameters 3 16 in. You will need to drill a pilot hole when using any type of concrete anchor.

Drill a hole in the base material with a hammer drill and a correctly sized carbide drill bit for the diameter lag shield anchor you are using.