About: self-tapping screw

Premodifier: self-tapping
Head noun: screw

Same concepts
http://dbpedia.org/resource/Self-tapping_screw

Broader concepts

label	provenance	confidence
suitable fastening device	isap:159171273	0.750207
means	isap:375105243	0.487614
screw	isap:371862839	0.483755
fastener	isap:292247657	0.478231

Narrower concepts

label	provenance	confidence