Drilling Lag Bolts Into Concrete

To the thickness of the material you re attaching to get the minimum length of screw needed.

Drilling lag bolts into concrete.

Tools needed to drill into concrete it is important to use a hammer drill or rotary hammer drill in concrete applications. Lag bolts for concrete are used with an anchor or insert called a lag. They are made specifically for the installation of lag screws into masonry materials. If you encounter an.

Next take a hammer and tap the lag shield down into the hole you ve drilled until its flush with the surface. Before drilling you will also want to measure the length of the lag shield and drill down the length plus a little extra space. The center part of the lag is made out of a softer metal like zinc mixed with soft iron or lead. Slide a washer and nut over the threaded end of the anchor.

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. The process involves drilling appropriate sized holes into concrete to the proper depth using a hammer drill with a masonry bit cleaning out the drilled holes to remove the concrete debris. How concrete lag bolts work. Drill a hole into the material that is smaller than the diameter of the lag screw.

Attaching a fixture with wedge anchors 1. To install a lag shield into concrete first drill a hole that is the same diameter as the outside diameter of the lag shield. In hard dense materials like concrete or stone this minimum 1 in. A good rule is to drill your pilot hole a third of the length of the screw.

You also do not have to go very deep. Replace the drill in the pilot hole ensuring that the drill is perpendicular surface. The nut and washer will help protect the anchor and. Screw embedment will work fine.

Select a screw length to penetrate the concrete at least 1 in. The lag is an expanding insert with a jacket of hard metal that grips the sides of the drill hole. A standard drill is insufficient when drilling into concrete because the drilling rotating action is not enough to break the concrete. Place the fixture over the concrete and line up the holes.

The smaller the pilot hole the more effective the lag screw will be.