Concrete Anchor Drill Bit Size Chart
The hole must also be drilled to a depth exceeding the depth of penetration of the tapcon screw in the base material.
Concrete anchor drill bit size chart. The wedge anchor requires no maximum hole depth. Once all these factors have been determined you can find the expected holding values in the technical information. The exposed end of the anchor is stamped to identify anchor length.
Anchors are listed by the. 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. The typical sizes of drill bit point angles are 115 or 118 degrees.
Wedge anchors should be used only in solid concrete. The anchor is quick to install and just as quick to fail. 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.
Concrete anchors common sense fact failure tools accessories corp. Stampings should be preserved during installation for any subsequent embedment verification. The concrete drop in anchor is a great fastener option when working with flush mounting applications.
Bits do break as they weaken from usage and high amounts of heat generated from friction. The best example of this is using an old worn 5 8 bit for 1 2 anchors. Using the wrong size carbide bit to drill the hole.
Anchors are tested to aci 355 2 and icc es ac193. The sum of these three items equals the minimum wedge anchor length. Drill bit point angles.