spiraalgroef (zn):
Furche(en) helical groove going up a drill bit., Nut(en) helical groove going up a drill bit., Riefe(en) helical groove going up a drill bit., Rille(en) helical groove going up a drill bit., Spiralnut(en) helical groove going up a drill bit.
cached Via: Dbnary en WikiWoordenboeken
Via: Memodata.com