Patent ID: 6912776

Claim:
A pierce nut installation apparatus, comprising: a pierce nut feed passage receiving pierce nuts each having a bore therethrough for installation by said pierce nut installation apparatus in a panel; a plunger passage communicating with said feed passage receiving said pierce nuts from said feed passage; and a plunger reciprocating through said plunger passage having an end portion engaging and installing said pierce nuts in a panel opposite said plunger passage, said end portion of said plunger including a guide portion axially projecting from said end portion of said plunger received in said bore of said pierce nuts having a frustoconical outer surface tapered inwardly from said end portion at an angle of between three and seven degrees, including a major diameter substantially equal to an internal diameter of said bore of said pierce nuts preventing cocking of said pierce nuts in said plunger passage and accurately locating a pierce nut on said panel.