General Torque Specification - Kubota LA555 Operator's Manual

BGeneral torque specification
American standard screws, bolts and nuts with UNC or
UNF threads
SAE grade No. SAE GR.5
(N-m) 11.7 to 15.8
1/4 (kgf-m) 1.19 to 1.61
(ft-lbs) 8.6 to 11.6
(N-m) 23.1 to 27.8
5/16 (kgf-m) 2.35 to 2.83
(ft-lbs) 17.0 to 20.5
(N-m) 47.5 to 57.0
3/8 (kgf-m) 4.84 to 5.81
(ft-lbs) 35.0 to 42.0
(N-m) 108.5 to 130.2
1/2 (kgf-m) 11.06 to 13.28
(ft-lbs) 80.0 to 96.0
(N-m) 149.2 to 179.0
9/16 (kgf-m) 15.21 to 18.25
(ft-lbs) 110.0 to 132.0
(N-m) 203.4 to 244.1
5/8 (kgf-m) 20.74 to 24.89
(ft-lbs) 150.0 to 180.0
SAE GR.8
16.3 to 19.8
1.66 to 2.02 M6
12.0 to 14.6
32.5 to 39.3
3.31 to 4.01 M8
24.0 to 29.0
61.0 to 73.2
6.22 to 7.46 M10
45.0 to 54.0
149.2 to 179.0
15.21 to 18.25 M12
110.0 to 132.0
217.0 to 260.4
22.13 to 26.55 M14
160.0 to 192.0
298.3 to 358.0
30.42 to 36.51 M16
220.0 to 264.0
M18
M20
Metric cap screws
property class
(N-m)
(kgf-m)
(ft-lbs)
(N-m)
(kgf-m)
(ft-lbs)
(N-m)
(kgf-m)
(ft-lbs)
(N-m)
(kgf-m)
(ft-lbs)
(N-m)
(kgf-m)
(ft-lbs)
(N-m)
(kgf-m)
(ft-lbs)
(N-m)
(kgf-m)
(ft-lbs)
(N-m)
(kgf-m)
(ft-lbs)
MAINTENANCE 31
8.8 Approx. SAE GR 5
9.8 to 11.2
1.0 to 1.1
7.2 to 8.3
23.6 to 27.4
2.4 to 2.8
17.4 to 20.2
48.1 to 55.8
4.9 to 5.7
35.5 to 41.2
77.5 to 90.1
7.9 to 9.2
57.2 to 66.5
124 to 147
12.6 to 15.0
91.5 to 108.4
196 to 225
20.0 to 23.0
145 to 166
275 to 318
28.0 to 32.5
203 to 235
368 to 431
37.6 to 44.0
272 to 318