This section provides an overview for drilled screws as well as their applications and principles. Also, please take a look at the list of 9 drilled screw manufacturers and their company rankings.
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A drilled screw is a product in which the screw is drilled and can be screwed in place without pre-drilling or threading.
Normally, to tighten a screw, a cut (a pre-hole) is required on the receiving side of the screw to match the thread groove. The process of drilling such a pre-hole is called threading.
However, if drilled screw is used, the aforementioned threading work is not necessary, and screw tightening work can be performed without a threaded hole. The drilled screw itself advances while drilling a hole to fasten a mating material.
Drilled screws are often used to fasten steel frame members at construction sites.
Drilled screws can be used in a variety of ways, but the following is an example of a proper use.
When boards are placed between the upper and lower, two sheets of sheet metal.
When the shoulder of the drilled screws penetrates the lower sheet metal, the screw should not rest on the upper sheet metal. For example, if the screw rests on the upper sheet metal when the drilled screws penetrates the lower sheet metal, the upper sheet metal will come up during screw tightening, creating a gap, or the drilled screws will chip or break, resulting in a poor fastening.
There are many types of drilled screws, and they are used for different purposes.
Typical types of drilled screws and their characteristics are listed below.
*Including some distributors, etc.
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