NUT/TINNERMAN/#6 screw size, length .840 inch, width .440 inch, panel thickness .025-.064, U shaped. A1785-6Z-1D pack of 100U-type Tinnerman Speed Nuts | #6 Screw, 0.025–0.064in PanelsTinnerman U-type nuts snap into position over a panels edge and are ideal in blind or hard to reach locations wit..