About: http://webisa.webdatacommons.org/85609416

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The serrations are designed not to interfere with the tightening of the nut, but once tightened against a bearing surface, the teeth produce a ratchet-type locking mechanism resistant to vibrational and other loosening forces.
http://www.w3.org/ns/prov#wasQuotedFrom	fastenerexperts.com