Installing Lag Bolts Into Concrete

To bolt into concrete you ll need a hammer drill a titanium or carbide tipped drill bit and wedge anchors.

Installing lag bolts into concrete.

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. Use a wrench to turn the lag screw clockwise until tight. You will need to drill a pilot hole when using any type of concrete anchor. Screws for most light to medium duty tasks.

Clean any concrete dust out of each hole you drill with a vacuum cleaner or wire brush. 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. The fixture is then placed over the lag shield inserting a lag screw through the fixture and into the lag screw. 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. Home centers and hardware stores stock concrete screws in two diameters 3 16 in. Regular drill bits will dull too quickly. 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.

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. 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. The pilot hole serves as a guide for the. After installation the fixture is removable because the lag shield anchor remains in the concrete and only the lag screw is unscrewed and removed.

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. 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. A pilot hole is a hole that is drilled into the material you wish to use a lag screw on.

Use a hammer drill when installing anchors into hard surfaces such as stone concrete and brick.