square+socket

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• Socket wrench — A socket wrench, more commonly referred to as a ratchet, is a type of wrench, or tightening tool, that uses separate, removable sockets to fit many different sizes of fittings and fasteners, most commonly nuts and bolts. It generally includes a… …   Wikipedia

• socket — [1] A hollow part or piece adapted or contrived to receive and hold something. [2] As a tool, it is usually barrel shaped with one open end to fit over a nut or bolt and the other open end with a female square drive to accept a drive tool (i.e.,… …   Dictionary of automotive terms

• socket head screw — noun : a screw having a recess or socket to fit a wrench for turning rather than a slot or external hexagonal or square shape * * * socket head screw noun A screw with a hexagonal recess in its head, turned by means of a hexagonal bar formed into …   Useful english dictionary

• Combination square — with standard head A Combination Square consisting of the rul …   Wikipedia

• Triple Square screws — are found on German vehicles such as BMW, Mercedes, and Volkswagen. In Germany they are called XZN socket screws. These screws are used in high torque applications such as cylinder head bolts and drive train components.Common sizes are 6, 8, 10,… …   Wikipedia

• List of screw drives — Contents 1 Common types 1.1 External types 1.1.1 Square 1.1.2 Hex …   Wikipedia

• Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… …   Wikipedia

• Lock (water transport) — Canal lock and lock keeper s cottage on the Aylesbury Arm of the Grand Union Canal at Marsworth in Hertfordshire, England …   Wikipedia

• P. L. Robertson — Illustration from the 1909 Canadian patent for the Robertson screw. Peter Lymburner Robertson (1879–1951) was a Canadian inventor, industrialist, salesman, and philanthropist who popularized the square socket drive for screws (often called the… …   Wikipedia

• Flash (photography) — The furious wing action of a Hummingbird Hawk moth is frozen by flash. The flash has given the foreground more illumination than the background. See Inverse square law A flash is a device used in photography producing a flash of artificial light… …   Wikipedia

• St Wilfrid's Church, Mobberley — St Wilfrid s Church, Mobberley, from the north …   Wikipedia