Grain Systems Tanks PNEG-1400 - Manual (Page 18)

3. Bin Assembly
18 PNEG-1400 WCL Commercial 4" Corrugation Externally Stiffened Grain Bin
Hardware
NOTE: All bolts should be tightened from the nut side. Refer to bolt Identification section on Page 23 for
further information on identification of the bin hardware.
Bolt Size
Torque (Ft. Lbs.)
Minimum Maximum
5/16"-18 15 20
3/8"-16 35 42
7/16"-14 65 72
1/2"-13 95 105
Grade 2 bolts are designated with a plain head.
NOTE: Grade 2 bolts are designated with a plain head.
Grade 5 bolts are designated by three (3) slash marks on the head.
Grade 8 bolts are designated by six (6) slash marks on the head.
Grade 8.2 bolts are designated by six (6) slash marks on the head in a
sunrise pattern.
CAUTION
Under no condition shall any other bolts be substituted for those supplied with this bin.
Do not tighten bolts to exceed the torque specifications listed below.