Installing Lag Bolts Into Concrete

The fixture is then placed over the lag shield inserting a lag screw through the fixture and into the lag screw.

Installing lag bolts into concrete.

After installation the fixture is removable because the lag shield anchor remains in the concrete and only the lag screw is unscrewed and removed. Next make sure you have a lag screw long enough for the installation. Home centers and hardware stores stock concrete screws in two diameters 3 16 in. 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.

Use a wrench to turn the lag screw clockwise until tight. Be sure to have plenty of extra bits on hand and use a can of compressed air or a blower to clean dust away from the drilled hole. To bolt into concrete you ll need a hammer drill a titanium or carbide tipped drill bit and wedge anchors. A lag screw is the poor man s concrete anchor.

This means you would need roughly a 3 lag screw to complete this. The first thing to do is put your drill into hammer mode and drill a hole in the concrete. Use a hammer drill when installing anchors into hard surfaces such as stone concrete and brick. Screws for most light to medium duty tasks.

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. Clean any concrete dust out of each hole you drill with a vacuum cleaner or wire brush. A pilot hole is a hole that is drilled into the material you wish to use a lag screw on. You will need to drill a pilot hole when using any type of concrete anchor.

Use tapcon concrete screw anchors for installing sill plates electrical equipment furring strips and many other applications that require fastening into brick block. 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 pilot hole serves as a guide for the. 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.

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.