Owner's manual

8. APPENDIX WHEATHEART - SA FLEX AUGER
8.2. BOLT TORQUE VALUES 71’ - 111’
104 30651 R5
Figure 8.1
8.2. BOLT TORQUE VALUES
The tables shown below give correct torque values for various bolts and
capscrews. Tighten all bolts to the torque specified in the chart unless otherwise
noted. Check tightness of bolts periodically, using bolt torque chart as your guide.
Replace hardware with the same strength bolt.
Table 8.1 Imperial Bolt Torque
BOLT
DIAMETER
(Nm) (Lb-ft) (Nm) (Lb-ft) (Nm) (Lb-ft)
1/4” 8 6 12 9 17 12
5/16” 13 10 25 19 36 27
3/8” 27 20 45 33 63 45
7/16” 41 30 72 53 100 75
1/2” 61 45 110 80 155 115
9/16” 95 60 155 115 220 165
5/8” 128 95 215 160 305 220
3/4” 225 165 390 290 540 400
7/8” 230 170 570 420 880 650
1" 345 225 850 630 1320 970