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2. Screw extractor - Wikipedia

   en.wikipedia.org/wiki/Screw_extractor

   These flutes or grooves grip the rounded nut from the outside, rather than being driven into the hollowed out screw shaft and taking hold of it internally as a screw extractor would. [2] Another tool for a stuck nut on a bolt, but not a screw, is a nut splitter. [3]

3. Reamer - Wikipedia

   en.wikipedia.org/wiki/Reamer

   There are also non-precision reamers which are used for more basic enlargement of holes or for removing burrs. The process of enlarging the hole is called reaming. There are many different types of reamer and they may be designed for use as a hand tool or in a machine tool, such as a milling machine or drill press.

4. Spotface - Wikipedia

   en.wikipedia.org/wiki/Spotface

   Similar to an endmill but with flat-bottom plunging ability. The tool at E, a counterbore, is also often used for spotfacing in manual machining (not so much in CNC machining). A spotface or spot face is a machined feature in which a certain region of the workpiece (a spot) is faced, providing a smooth, flat, accurately located surface.

5. Ball-peen hammer - Wikipedia

   en.wikipedia.org/wiki/Ball-peen_hammer

   The head of a diagonal-peen hammer, as the name implies, has a wedge set at a 45° angle from the handle; it can be a left angle or a right angle, and some peen hammers have a double diagonal wedge [3] for ergonomic reasons. [7] They are commonly used by blacksmiths during the forging process to deliver blows for forging or to strike other ...

6. Socket wrench - Wikipedia

   en.wikipedia.org/wiki/Socket_wrench

   Socket set with ratchet (above), four hex sockets and a universal joint. A socket wrench (or socket spanner) is a type of spanner (or wrench [1] in North American English) that uses a closed socket format, rather than a typical open wrench/spanner to turn a fastener, typically in the form of a nut or bolt.

7. List of screw and bolt types - Wikipedia

   en.wikipedia.org/wiki/List_of_screw_and_bolt_types

   An elevator bolt is a similar to a carriage bolt, except the head (or foot, depending on the application) is thin and flat. There are many variations. [11] Elevator bolts are designed to be used for leveling appliances or furniture. eye bolt: An eye bolt is a bolt with a looped head.