Assertion: fillet | /r/CapableOf | commence with a countersunk head
Facets:
value: as the strongest form of head
type: MANNER
Source sentences:
text: Commencing with a countersunk head as the strongest form of head, the greater the fillet permissible under the head of a rivet, or bolt, the greater the strength and the decrease in liability to fracture, as a fillet is the life of the rivet.