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2. Threaded insert - Wikipedia

   en.wikipedia.org/wiki/Threaded_insert

   A self-tapping insert. An externally threaded insert has threads on the outside and inside. The insert can be threaded into a pre-tapped hole, or a self-tapping insert creates its own threads in a drilled or molded hole. It is then anchored by various means, such as a nylon locking element.

3. Self-tapping screw - Wikipedia

   en.wikipedia.org/wiki/Self-tapping_screw

   A self-tapping screw is a screw that can tap its own hole as it is driven into the material. More narrowly, self-tapping is used only to describe a specific type of thread-cutting screw intended to produce a thread in relatively soft material or sheet materials, excluding wood screws .

4. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   self-tapping machine screw: A self-tapping machine screw is similar to a machine screw, except the lower part of the shank is designed to cut threads as the screw is driven into an untapped hole. The advantage of this screw type over a self-drilling screw is that, if the screw is reinstalled, new threads are not cut as the screw is driven. set bolt

5. Tap and die - Wikipedia

   en.wikipedia.org/wiki/Tap_and_die

   The operator guides the tapping head to each (already-drilled) hole and quickly taps it. Drilling and tapping centers, whose name sounds similar to that of tapping stations, are actually light-duty, affordable machining centers of 2, 2.5, or 3 axes that are designed for a life of mainly drilling and tapping with limited milling use.

6. Screw mechanism - Wikipedia

   en.wikipedia.org/wiki/Screw_mechanism

   - These are used in self-tapping screws such as wood screws and sheet metal screws which require a sharp edge to cut a hole, and where additional friction is needed to make sure the screw remains motionless, such as in setscrews and adjustment screws, and where the joint must be fluid tight as in threaded pipe joints. (b) American National

7. Dying To Be Free - The Huffington Post

   projects.huffingtonpost.com/dying-to-be-free...

   The last image we have of Patrick Cagey is of his first moments as a free man. He has just walked out of a 30-day drug treatment center in Georgetown, Kentucky, dressed in gym clothes and carrying a Nike duffel bag.