1) Bit of securing hardware 2) Metal parts fastener 3) Screw 4) Shaft-collar attachment 5) Spring attachment 6) Threaded connector 7) Tightening device
Found on
https://www.crosswordclues.com/clue/setscrew
(from the article `screw`) The setscrew in the Figure fits into a threaded hole in one member; when tightened, the cup-shaped point is pressed into a mating member (usually a ...
Found on
http://www.britannica.com/eb/a-z/s/69
noun a screw (often without a head) that fits into the boss or hub of a wheel or cam etc. and prevents motion of the part relative to the shaft on which it is mounted
Found on
https://www.encyclo.co.uk/local/20974
No exact match found.
