1. Ngethuba lovavanyo, isantya esihambayo se-chuck akufanele sidlule i-3 mm / min.Ngexesha uvavanyo, ukuba mandrel threaded yonakele, uvavanyo lurhoxisiwe.
2. Ngexesha lenkqubo yokukrazula i-rivet nut kwi-mandrel ene-threaded, ukuba i-mandrel ene-threaded yonakele, uvavanyo alusebenzi.