CUTLASS Door glass question

[nycutlass]

1983 cutlass door glass nut size and pitch and style would anyone know off hand ? for some odd reason my car has none on both sides and the window is just flopping around on the track.

 

[jcelk]

it would be a metric size . my 79 elco has american bolts for the windows and my 82 elco has metric

 

[nycutlass]

im going to guess a 10mm but its been so long i don't remember

 

[jcelk]

thread it on by hand you can feel if it goes on easy.. no power tools