Torque chart – BlueBird SC550A_968999351 User Manual
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38
TORQUE CHART
ft./lbs
Nm
ft./lbs
Nm
ft./lbs
Nm
1/4
9
12
13
18
5/16
18
24
28
38
24
33
3/8
31
42
46
62
40
54
7/16
50
68
75
108
1/2
75
102
115
156
9/16
110
150
165
224
5/8
150
203
225
305
3/4
250
339
370
502
7/8
378
513
591
801
1
583
790
893
1211
1 1/8
782
1060
1410
1912
Flangelock Screw
w/ Flangelock Nut
SAE grade 5
SAE grade 8
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ead)
Grade
ft./lbs
Nm
ft./lbs
Nm
ft./lbs
Nm
M4
1.5
2
2.2
3
2.7
3.6
M5
3
4
4.5
6
5.2
7
M6
5.2
7
7.5
10
8.2
11
M7
8.2
11
12
16
15
20
M8
13.5
18
18.8
25
21.8
29
M10
24
32
35.2
47
43.5
58
M12
43.5
58
62.2
83
75
100
M14
70.5
94
100
133
119
159
M16
108
144
147
196
176
235
M18
142
190
202
269
242
323
M20
195
260
275
366
330
440
M22
276
368
390
520
471
628
M24
353
470
498
664
596
794
M27
530
707
474
996
904
1205
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ine
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Grade 12.9
Grade 8.8
Grade 10.9
Grade
8.8
10.9
12.9
HEX HEAD CAP SCREWS
The torque values shown should be used as a general guideline when specific torque values are not given.
** Grade 5 - Minimum commercial quality (Lower quality not recommended)
U.S. Standard Hardware
Metric Standard Hardware