411 REFERENCE · Wiktionary
SHCS
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
list of screw drives § Internal hex drives
thumb|SHCS engineering drawing
thumb|SHCS cutaway
thumb|SHCS example
Noun
en socket head cap screw en socket head cap screw.
en Allen screw#Noun < screw#Noun < fastener#Noun < hardware#Noun
See also
en hex key<id:Q16953>