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2. Self-tapping screw - Wikipedia

   en.wikipedia.org/wiki/Self-tapping_screw

   Sheet metal screws (sometimes called "sheet-metal self-tappers", P–K or PK screws from the brand name Parker Kalon, the company which pioneered [7] the manufacture of, but did not invent, these screws) are a type of screw which can form a thread in thin sheet metal. Pan-head self-tapping screws are common in metal cases for electrical ...

3. Piping and plumbing fitting - Wikipedia

   en.wikipedia.org/wiki/Piping_and_plumbing_fitting

   These pipe clamps are similar to hose clamps, but are heavier-duty and ideally are made completely of stainless steel (including the screw) to provide maximum service life. [ 21 ] : 149 [ 18 ] : 71 Optionally, the entire rubber sleeve may be jacketed with thin sheet metal, to provide extra stiffness, durability, and resistance to accidental ...

4. Flare fitting - Wikipedia

   en.wikipedia.org/wiki/Flare_fitting

   The tool used to flare tubing consists of a die that grips the tube, and either a mandrel or rolling cone is forced into the end of the tube to form the flare by cold working. The most common flare fitting standards in use today are the 45° SAE flare [ 2 ] [ 3 ] ,the 37° JIC flare, and the 37° AN flare.

5. List of screw drives - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_drives

   Standard 12-point hex socket bits and wrenches fit these screws. The screw heads are typically flanged, and may fit into standard Allen hex socket cap screw counterbores molded or machined into parts to be fastened. Compared to Allen hex sockets, the advantages of these bolts include higher torque capability and the lack of a recess to trap water.

6. Hose clamp - Wikipedia

   en.wikipedia.org/wiki/Hose_clamp

   The clamp is put around the hose or tube to be connected, with the loose end being fed into a narrow space between the band and the captive screw. When the screw is turned, it acts as a worm drive pulling the threads of the band, causing the band to tighten around the hose (or when screwed the opposite direction, to loosen). Screw clamps are ...

7. AOL.com - News, Sports, Weather, Entertainment, Local & Lifestyle

   www.aol.com

   AOL latest headlines, entertainment, sports, articles for business, health and world news.