Grain Systems Tanks PNEG-1092 - Manual (Page 17)

3. Bolt and Nut Usage
PNEG-1092 30° Bin Roof Construction 17
Nut Usage
This nut is used in attaching roof panels to the roof channels and to the sidewall sheets, as well as attaching roof panels
and flashing to the center collar.
S-3611
0.3125 Serrated flange nut
This nut is primarily used in sidewall sheet connections.
0.3125 Hex nut
S-396