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0A-26 GENERAL INFORMATION
Tightening torque chart :
A equivalent of 4T strength
fastener
A equivalent of 6.8 strength
fastener without flange
A equivalent of 6.8 strength
fastener with flange
Strength
A equivalent of 7T strength
fastener
A equivalent of 8.8 strength
fastener without flange
A equivalent of 8.8 strength
fastener with flange
✱: Self-lock nut
Thread Diameter (Nominal Diameter) (mm)
4
5
6
N·m
1.5
3.0
5.5
kg-m
0.15
0.30
0.55
lb-ft
1.0
2.5
4.0
N·m
2.4
4.7
8.4
kg-m
0.24
0.47
0.84
lb-ft
2.0
3.5
6.0
N·m
2.4
4.9
8.8
kg-m
0.24
0.49
0.88
lb-ft
2.0
3.5
6.5
N·m
2.3
4.5
10
kg-m
0.23
0.45
1.0
lb-ft
2.0
3.5
7.5
N·m
3.1
6.3
11
kg-m
0.31
0.63
1.1
lb-ft
2.5
4.5
8.0
N·m
3.2
6.5
12
kg-m
0.32
0.65
1.2
lb-ft
2.5
5.0
9.0
8
10
12
14
13
29
45
65
1.3
2.9
4.5
6.5
9.5
21.0
32.5
47.0
20
42
80
125
2.0
4.2
8.0
12.5
14.5
30.5
58.0
90.5 139.5 202.5
21
44
84
133
2.1
4.4
8.4
13.3
15.5
32.0
61.0
96.5 147.0 215.5
23
50
85
135
2.3
5.0
8.5
13.5
17.0
36.5
61.5
98.0 152.0 174.0
27
56
105
168
2.7
5.6
10.5
16.8
19.5
40.5
76.0 121.5 187.0 270.0
29
59
113
175
2.9
5.9
11.3
17.5
21.0
43.0
82.0 126.5 195.5 286.0
16
18
105
160
10.5
16
76.0 116.0
193
280
19.3
28
203
298
20.3
29.8
210
240
21
24
258
373
25.8
37.3
270
395
27
39.5
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