Grain Systems Tanks PNEG-1092 - Manual (Page 16)

16 PNEG-1092 30° Bin Roof Construction
3. Bolt and Nut Usage
Bolt Usage
This bolt is used in attaching roof panels to the top sidewall sheet and attaching roof panels and flashing to the
center collar.
S-275
This bolt is primarily used to connect roof panels together where they overlap.
S-277
0.375" x 1.000" Hex flanged head without a plastic sealing washer. This bolt is used on the roof rafter splices for
commercial roof systems.
S-7927