Concrete Anchor Drill Bit Size Chart

Using the wrong size carbide bit to drill the hole.

Concrete anchor drill bit size chart. Anchors are listed by the. The hole must also be drilled to a depth exceeding the depth of penetration of the tapcon screw in the base material. The typical sizes of drill bit point angles are 115 or 118 degrees.

To determine the length of wedge anchor required add the thickness of the material to be fastened plus minimum embedment plus the thickness of the nut and washer. The anchor is quick to install and just as quick to fail. The concrete drop in anchor is a great fastener option when working with flush mounting applications.

This extra depth to the hole allows space for any dust that is created during the installation process to fall into and out of the way to ensure proper installation. Anchors are tested to aci 355 2 and icc es ac193. Concrete anchors common sense fact failure tools accessories corp.

The sum of these three items equals the minimum wedge anchor length. The best example of this is using an old worn 5 8 bit for 1 2 anchors. The size of the drop in anchor refers to the diameter of the standard unc threaded rod or bolt to be used with this fastener.

When buying a good set ensure it contains more than just one of the common important size drill bits. Drill bit point angles. Stampings should be preserved during installation for any subsequent embedment verification.

The exposed end of the anchor is stamped to identify anchor length. The wedge anchor requires no maximum hole depth. Wedge anchors should be used only in solid concrete.