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There are many forms of adjustable spanners; many of them are screw -adjusted, whereas others use levers, and some early ones used wedges. The early taper-locking spanners needed a hammer to set the movable jaw to the size of the nut. The modern screw-adjusted spanner and lever types are easily and quickly adjusted.
Wrench. A set of metric spanners or wrenches, open at one end and box/ring at the other. These are commonly known as “combination” spanners. A wrench or spanner is a tool used to provide grip and mechanical advantage in applying torque to turn objects—usually rotary fasteners, such as nuts and bolts —or keep them from turning.
Pipe wrench. A pipe wrench is any of several types of wrench that are designed to turn threaded pipe and pipe fittings for assembly (tightening) or disassembly (loosening). The Stillson wrench, or Stillson-pattern wrench, is the usual form of pipe wrench, especially in the US. The Stillson name is that of the original patent holder, who ...
A monkey wrench is a type of smooth-jawed adjustable wrench, a 19th century American refinement of 18th-century English coach wrenches. It was widely used in the 19th and early 20th century. It is of interest as an antique among tool collectors and is still occasionally used in practice. More broadly, a monkey wrench may be a pipe wrench or any ...
Dursley, Gloucestershire, England. Occupations. Engineer. inventor. Known for. Inventing the lawnmower. Inventing the adjustable spanner. Edwin Beard Budding (25 August 1796 – 25 September 1846 [1]), an engineer born in Eastington, Stroud, was the English inventor of the lawnmower (1830) and adjustable spanner (1842).
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. [2]