SECTION 1 - GENERAL SPECIFICATIONS
1-12
31215825
Metric Fastener Torque Chart
Values for Zinc Yellow Chromate Fasteners (Ref 4150707)*
CLASS 8.8 METRIC (HEX/SOCKET HEAD) BOLTS CLASS 8 METRIC NUTS
Size
Pitch
Tensile Stress
Area
Clamp Load
See Note 4
Torque
(Dry or Loctite® 263™)
Torque (Lube)
Torque
(Loctite® 262™ or 271™ or
Vibra-TITE™
131)
Torque
(Loctite® 242™
or 271™ or
Vibra-TITE™ 111 or 141)
Sq mm
KN
[N.m]
[N.m]
[N.m]
3
0.5
5.03
2.19
1.3
1.0
1.2
1.4
3.5
0.6
6.78
2.95
2.1
1.6
1.9
2.3
4
0.7
8.78
3.82
3.1
2.3
2.8
3.4
5
0.8
14.20
6.18
6.2
4.6
5.6
6.8
6
1
20.10
8.74
11
7.9
9.4
12
7
1
28.90
12.6
18
13
16
19
8
1.25
36.60
15.9
26
19
23
28
10
1.5
58.00
25.2
50
38
45
55
12
1.75
84.30
36.7
88
66
79
97
14
2
115
50.0
140
105
126
154
16
2
157
68.3
219
164
197
241
18
2.5
192
83.5
301
226
271
331
20
2.5
245
106.5
426
320
383
469
22
2.5
303
132.0
581
436
523
639
24
3
353
153.5
737
553
663
811
27
3
459
199.5
1080
810
970
1130
30
3.5
561
244.0
1460
1100
1320
1530
33
3.5
694
302.0
1990
1490
1790
2090
36
4
817
355.5
2560
1920
2300
2690
42
4.5
1120
487.0
4090
3070
3680
4290
NOTES:
1. THESE TORQUE VALUES DO NOT APPLY TO CADMIUM PLATED FASTENERS
5000059K
2. ALL TORQUE VALUES ARE STATIC TORQUE MEASURED PER STANDARD AUDIT METHODS TOLERANCE = ±10%
3. * ASSEMBLY USES HARDENED WASHER
4. CLAMP LOAD LISTED FOR SHCS IS SAME AS GRADE 8 OR CLASS 10.9 AND DOES NOT REPRESENT FULL STRENGTH CAPABILITY OF SHCS.
IF HIGHER LOAD IS REQUIRED, ADDITIONAL TESTING IS REQUIRED.
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