Self-tapping screw
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Self-tapping is the ability of a screw to advance when turned, while creating its own thread.[citation needed] This ability is sometimes created by a gap in the continuity of the thread on the screw. These edges cut a thread as the screw is driven in to the material. The cutting edge drills away the material, leaving a hole for the screw to go into.
Self-tapping screws are used in a variety of applications ranging from DIY to surgery. A dental implant is an example of a self tapping screw used in surgery.
[edit] See also
[edit] External Links
- "Hold Everything", February 1946, Popular Science bottom of page 151
