Drilling Lag Bolts Into Concrete

Start the drill and push forward with firm but not heavy pressure.

Drilling lag bolts into concrete.

Slide a washer and nut over the threaded end of the anchor. To the thickness of the material you re attaching to get the minimum length of screw needed. Before drilling you will also want to measure the length of the lag shield and drill down the length plus a little extra space. 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 nut and washer will help protect the anchor and. The center part of the lag is made out of a softer metal like zinc mixed with soft iron or lead. Tools needed to drill into concrete it is important to use a hammer drill or rotary hammer drill in concrete applications. How concrete lag bolts work.

The smaller the pilot hole the more effective the lag screw will be. Run the drill at a slow to medium speed and pull the drill out periodically to help remove concrete dust from the hole. 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. Attaching a fixture with wedge anchors 1.

Drill a hole into the material that is smaller than the diameter of the lag screw. Next take a hammer and tap the lag shield down into the hole you ve drilled until its flush with the surface. Line up your fixture or whatever you want to attach to the. To install a lag shield into concrete first drill a hole that is the same diameter as the outside diameter of the lag shield.

A good rule is to drill your pilot hole a third of the length of the screw. In hard dense materials like concrete or stone this minimum 1 in. Select a screw length to penetrate the concrete at least 1 in. Lag bolts for concrete are used with an anchor or insert called a lag.

The lag is an expanding insert with a jacket of hard metal that grips the sides of the drill hole. Replace the drill in the pilot hole ensuring that the drill is perpendicular surface. If you encounter an. A standard drill is insufficient when drilling into concrete because the drilling rotating action is not enough to break the concrete.

Screw embedment will work fine.