![]() ![]() There are two lengths when describing a bit used for installing a tapcon screw, the overall length of the bit and the usable length of the bit. For the 3/16” and 1/4” diameter tapcon the hole must be drilled a minimum of 1/4” deeper than the tapcon screw will penetrate and for the 3/8”, 1/2”, 5/8” and 3/4” the hole must be a minimum of 1” deeper than the tapcon will penetrate. 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. The hole must also be drilled to a depth exceeding the depth of penetration of the tapcon screw in the base material. The minimum embedment depth for each diameter of tapcon is as follows: Each diameter of tapcon concrete screw has a minimum embedment depth that it must be installed for the tapcon screw to meet minimum embedment requirements. That is due to the differences in the depth of the hole in the base material, which is determined for each length and specific application of tapcon used in order to meet minimum embedment depths. The length of the bit that is chosen is critical. Hole tolerance is critical and the use of the proper size bit is important to achieve the proper size and shape hole that is required for the tapcon concrete screw to achieve its minimum holding values. The 3/16” tapcon uses a 5/32” bit, the 1/4” tapcon needs a 3/16” diameter bit, the 3/8” tapcon requires a 5/16”, the 1/2” tapcon requires a 7/16” bit, a 5/8”tapcon needs a 1/2” bit and the 3/4” tapcon requires the use of a 5/8” carbide tipped bit. The diameter of the bit chosen is determined by the diameter of the tapcon being installed. a chuck that requires a chuck key, an SDS style and, for the large diameter tapcon, the Spline and SDS Max can be used. The bit can be a straight shank that fits into the Jacobs style chuck, i.e. All bits used for the installation of tapcon screws must meet ANSI B212.15-1994 standards, have a carbide tip and be used in a hammer drill that is set in the hammer and rotation mode. The required bit for the tapcon screw is slightly smaller than the designated diameter of the tapcon. These two dimensions must match the size of the tapcon being installed in order for the tapcon to achieve the holding value requirements. There are two dimensions that need to be determined: the diameter of the bit required and the length of the bit. If you aren't sure about the size you need, consider investing in a drill bit set with multiple bit sizes.The size of the bit is determined by the size of the Tapcon® being installed. It's also recommended to check the size of the bit, so you don't end up drilling a hole that is too big or too small for the intended purpose. Various drill bits are designed for very specific purposes, such as plug cutter bits and installer drill bits, while other bits have more general use, making them suitable for a wide variety of projects. ![]() The type of work should also be a primary factor when you are looking for a new bit. ![]() There are also cobalt drill bits to bore through metal, or more general-use products, like black oxide-coated bits or titanium-coated bits. You can find high-speed steel drill bits for wood, fiberglass, PVC, and soft metals, or you can opt for carbide tipped bits for working with tile and masonry. One of the first considerations should be the type of material you are working with. There are many different factors to consider when it comes time to choose a drill bit.
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