About: http://webisa.webdatacommons.org/312806483

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	There is a website, opposedforces.com/parts that has part numbers, including some bolts, linked to what seem to be the same diagrams; maybe these come from the parts book, though?
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com