About: http://webisa.webdatacommons.org/8384664

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 present invention relates to rotary drill bits for hand-held power tools such as electric drills and particularly to bits for drilling or enlarging holes in steel plates, structural iron or steel or other materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com