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2. Black & Decker’s warning: ‘Counterfeit’ screws don’t meet ...

   www.aol.com/news/black-decker-warning...

   The screw on the left has a slightly wavy rectangle used by Stanley Black & Decker to mark its Ultracon brand screw. To the right is a screw sold by Manny’s General Fasteners in Hialeah as an ...

3. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   The screw itself should be drilled a minimum of 1" into the concrete to hold effectively and a maximum of 1-3/4" or the threads will wear and will lose holding power. Ideally 1-1/4" to 1-1/2" of screw thread in the concrete. [1] So for example, if a 1/2" board is being screwed onto the concrete, a 1-3/4" to 2" concrete screw should be used ...

4. Unified Thread Standard - Wikipedia

   en.wikipedia.org/wiki/Unified_Thread_Standard

   The number series of machine screws has been extended downward to include #00-90 (0.047 in = 0.060 in − 0.013 in) and #000-120 (0.034 in = 0.060 in − 2 × 0.013 in) screws; [3] however, the main standard for screws smaller than #0 is ANSI/ASME standard B1.10 Unified Miniature Screw Threads. This defines a series of metric screws named after ...

5. Aluminum building wiring - Wikipedia

   en.wikipedia.org/wiki/Aluminum_building_wiring

   Aluminum and steel expand and contract at significantly different rates under thermal load, so a connection can become loose, particularly for older terminations initially installed with inadequate torque of the screws combined with creep of the aluminum over time. Loose connections get progressively worse over time.

6. Screw - Wikipedia

   en.wikipedia.org/wiki/Screw

   An assortment of screws, and a US quarter for size comparison A wood screw: a) head; b) non-threaded shank; c) threaded shank; d) tip The six classical simple machines. A screw is an externally helical threaded fastener capable of being tightened or released by a twisting force to the head. The most common uses of screws are to hold objects ...

7. NYC woman who allegedly screamed ‘you’re all going to die ...

   www.aol.com/news/nyc-woman-allegedly-screamed...

   After Ettienne became aware of the fire, she raced upstairs to save Jacobs who was sleeping, prosecutors said. But the garage quickly became engulfed in flames and the pair was unable to escape.