shop head

== English == === Noun === shop head (plural shop heads) (metalworking, construction, of a rivet) A factory head; the head formed when a rivet is manufactured A field head; the head formed by upsetting the bucktail of a rivet after it is inserted through the materials to be connected ==== Usage notes ==== Where a rivet is used outside, eg in a shipyard or on a construction site, there is no confusion if the factory head is referred to as a shop head, which it often is. However, if the rivet is used in a factory or workshop, there is room for confusion, with some people referring to the field head as a shop head.