About: http://webisa.webdatacommons.org/60831842

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	clearance hole for passage of the threaded connection therein, and formed from an electrically and a vibrationally conductive material such as a titanium alloy or an aluminum alloy.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com