Proper bolt use -3 – Summers Superchisel - 3-Section User Manual
Page 83
BOLT SIZE
WRENCH SIZE
GRADE 5
GRADE 8
ft-lbs
N • m
ft-lbs
N • m
1/4”
7/16” or 3/8”
7
9.5
12
17
5/16”
1/2”
15
20
25
34
3/8”
9/16”
30
41
45
61
7/16”
5/8” or 11/16”
45
61
70
95
1/2”
3/4”
70
95
105
142
9/16” wheel bolts
7/8”
170
231
5/8”
15/16”
170
231
210
285
5/8” wheel nuts
1-1/16”
240
325
3/4”
1-1/16”* or 1-1/8”
250
339
375
509
7/8”
1-5/16”
350
475
600
814
1”
1-1/2”
450
610
880
1193
1-1/4”
1-7/8”
500
678
1-1/2”
2-1/4”
570
773
2”
3-1/8”
1200
1627
*Nylon Lock Nut
3/8/12 TILLAGE
PROPER BOLT USE
DO NOT use these values if a different torque value or tightening procedure is given for a specific
application. Torque values listed are for general use only. Check tightness of fasteners periodi-
cally.
SECTION 5 – TROUBLESHOOTING
5-3