countersunk fastener

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• 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

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

• Rivet — A rivet is a mechanical fastener. Before it is installed it consists of a smooth cylindrical shaft with a head on one end. The end opposite the head is called the buck tail. On installation the rivet is placed in a pre drilled hole. Then the tail …   Wikipedia

• Washer (hardware) — Assorted washers: flat, split, star and insulated A washer is a thin plate (typically disk shaped) with a hole (typically in the middle) that is normally used to distribute the load of a threaded fastener, such as a screw or nut. Other uses are… …   Wikipedia

• rivet — riveter, n. rivetless, adj. /riv it/, n., v., riveted, riveting or (esp. Brit.) rivetted, rivetting. n. 1. a metal pin for passing through holes in two or more plates or pieces to hold them together, usually made with a head at one end, the other …   Universalium