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An adjustable spanner (UK and most other English-speaking countries), also called a shifting spanner (Australia and New Zealand) [1] or adjustable wrench (US and Canada), [a] is any of various styles of spanner (wrench) with a movable jaw, allowing it to be used with different sizes of fastener head (nut, bolt, etc.) rather than just one fastener size, as with a conventional fixed spanner.
Download QR code; Print/export Download as PDF; Printable version; In other projects Wikimedia Commons; ... Adjustable Pilers, Hand Tools Chervon: Nanjing, China [6]
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.
During the 1960s and 1970s AB Bahco consisted of four major companies: Bahco Ventilation, Mecamen, Bahco Tools and Bahco Sudamericana.Bahco Ventilation was responsible for products and facilities for air purification, energy and recycling, Mecamen had all the pneumatics, hydraulics and control systems and Bahco Tools controlled the production of hand tools, air tools and hydraulic tools. [4]
Johan Petter Johansson (December 12, 1853 – August 25, 1943), sometimes known as JP, was a Swedish inventor and industrialist.He invented a modern adjustable spanner [1] (patents in 1891 and 11 May 1892).
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Two double-end adjustable tap wrenches and a T-handle tap wrench. There are two main types of tap wrenches: double-end adjustable wrenches and T-handle wrenches. Double-end adjustable wrenches, also known as bar wrenches, have one threaded handle which is attached to one of the clamps. The clamp is opened to insert the tool and then tightened ...
A story on social media claims that the African-American boxer Jack Johnson invented the wrench while in prison, and the wrench was named "monkey wrench" as a racial slur. However, both the first patent for a monkey wrench and the name predate Johnson's birth. Johnson did, however, receive a patent for improvements to it. [14] [15]