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.

A lag screw is the poor man s concrete anchor. 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. 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. Regular drill bits will dull too quickly. 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. 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.

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. The first thing to do is put your drill into hammer mode and drill a hole in the concrete. To bolt into concrete you ll need a hammer drill a titanium or carbide tipped drill bit and wedge anchors. 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. After installation the fixture is removable because the lag shield anchor remains in the concrete and only the lag screw is unscrewed and removed. 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. They are thicker than ordinary screws have a hexagonal head and they are used in a myriad of materials to create structural integrity where it is needed most.

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. You will need to drill a pilot hole when using any type of concrete anchor. A pilot hole is a hole that is drilled into the material you wish to use a lag screw on.

The pilot hole serves as a guide for the.