- round-top countersunk head
- łeb stożkowy soczewkowy nitu
English-Polish dictionary for engineers. 2013.
English-Polish dictionary for engineers. 2013.
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
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
List of screw drives — Contents 1 Common types 1.1 External types 1.1.1 Square 1.1.2 Hex … 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