We don't have synonyms for setscrews yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are setscrew, set screws and set screw.
(n) :
Alternative spelling of set screw. [Any screw used to hold or adjust a setting, via fixation in a certain location or position: frequently a headless one, but may also be any other machine screw or thumb screw used for the purpose of setting.]
(n) :
Alternative spelling of set screw. [Any screw used to hold or adjust a setting, via fixation in a certain location or position: frequently a headless one, but may also be any other machine screw or thumb screw used for the purpose of setting.]