13-18
®
GENERAL TORQUE SPECS (continued...)
ISO METRIC SHCS BOLT TORQUE (COARSE) ISO METRIC SHCS BOLT TORQUE (FINE)
Some components on your machine or attachment may
require different torques than what is listed from these tables.
Special torque specifications are listed throughout the chapters of
BARKO Operation, Service and Parts Manuals.
UNC SHCS BOLT TORQUE (COARSE)
UNF SHCS BOLT TORQUE (FINE)
ft-lb N-m ft-lb N-m
6 0.75 12.5 17 8
11
8 1.00
30 41 20
27
10 1.25
57 77 38
52
12 1.50
99 134 66
89
14 1.50
165 224 110
149
16 1.50
250 339 170
230
18 1.50
405 549 270
366
20 1.50
560 759 375
508
22 1.50
745 1010 500
678
970 1315 645
875
Dia (mm) Pitch
ft-lb N-m ft-lb N-m
6 1.00 11 15 8
11
8 1.25
28 38 19
26
10 1.50
54 73 36
49
12 1.75
95 129 63
85
14 2.00
155 210 105
142
16 2.00
235 319 160
217
18 2.00
20 2.50
460 624 305
414
22 2.50
625 847 415
563
790 1071 525
712
Dia (mm) Pitch
NOTICE
ft-lb N-m ft-lb N-m
1/4 28 16 22 13 18
5/16 24
32 43 25 34
3/8 24
58 79 46 62
7/16 20
91 123 73 99
1/2 20
140 190 112 152
5/8 18
270 366 216 293
3/4 16
472 640 378 512
7/8 16
752 1020 602 816
1 14
1147 1555 918 1245
1 1/8 12
1 1/4 12
2263 3068 1811 2455
1 3/8 12
3051 4137 2440 3308
4002 5426 3202 4341
UNF
per Inch
ft-lb N-m ft-lb N-m
1/4 20 14 19 11 15
5/16 18
29 39 23 31
3/8 16
51 69 41 56
7/16 14
81 110 65 88
1/2 13
124 168 99 134
5/8 11
238 323 191 259
3/4 10
423 574 339 460
7/8 9
682 925 545 739
1 8
1022 1386 818 1109
1 1/8 7
1449 1965 1159 1571
1 1/4 7
2044 2771 1635 2217
1 3/8 6
2680 3634 2144 2907
3557 4823 2846 3859
UNC
per Inch
07/26/2018
Updated
OPERATOR’S