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2. List of screw drives - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_drives

   One-way screws are relevant only when the need for removal is unlikely. They are difficult to remove with conventional tools because the slot is designed to cause cam-out when even minimal torque is applied in the direction to unscrew it. Instead, a one-way screw can be removed by drilling a hole through the head of the screw and inserting a ...

3. Hex key - Wikipedia

   en.wikipedia.org/wiki/Hex_key

   The idea of a hex socket screw drive was probably conceived as early as the 1860s to the 1890s, but such screws were probably not manufactured until around 1910. Rybczynski (2000) describes a flurry of patents for alternative drive types in the 1860s to the 1890s in the U.S., [2] which are confirmed to include internal-wrenching square and triangle types (that is, square and triangular sockets ...

4. Screw extractor - Wikipedia

   en.wikipedia.org/wiki/Screw_extractor

   A screw extractor held in a tap wrench. A screw extractor is a tool for removing broken or seized screws.There are two types: one has a spiral flute structure, commonly called an easy out after the trademarked name EZ-Out; [clarification needed] the other has a straight flute structure.

5. Pentalobe screw - Wikipedia

   en.wikipedia.org/wiki/Pentalobe_screw

   The first Apple product to include pentalobe screws internally was the Mid 2009 MacBook Pro 15-inch model. Three pentalobe screws were used to attach the battery to the internal frame. A 1.5 mm flat-blade (slotted) screwdriver could easily remove these screws, which were originally mistaken for 5-point Torx screws. [4]

6. Torx - Wikipedia

   en.wikipedia.org/wiki/Torx

   A security Torx L-key and fastener with holes for a safety pin to hinder disassembly with an ordinary Torx key. A Torx T8 screw head on a hard disk drive.. Torx (pronounced / t ɔːr k s /) is a trademark for a type of screw drive characterized by a 6-point star-shaped pattern, developed in 1967 [1] by Camcar Textron.

7. AOL

   search.aol.com

   The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.