#6
0.7
1
1.5
1.9
2
2.6
#8
1.4
1.8
2.7
3.5
3.8
5
#10
2
2.6
3.8
5
5.3
7.1
1/4
4.8
6.4
8.8
12
13
18
5/16
9.6
13
18
24
25
34
3/8
18
24
31
42
(44)
60
7/16
28
38
51
69
72
96
1/2
(43)
57
80
104
110
140
5/8
90;
110
160
210
220
300
3/4
150
200
280
370
390
530
7/8
250
330
450
610
640
850
1
370
500
670
900
960
1280
1 1/8
390
510
840
1100
1360
1760
1 1/4
540
720
1200
1600
1920
2560
1 1/2
960
1300
2100
2700
3280
4320
5 - Tightening torque values: zinc dichromate-plated or white zinc-plated threads in inches
Nominal
dimension
Tensile grade
Tensile grade
Tensile grade
SAE 1 (ISO 10.9-BS B)
SAE 5 (ISO 8.8-BS S)
SAE 8 (ISO 10.9-BS V)
Torque lbf ft
Torque lbf ft
Torque lbf ft
Min.
Max.
Min.
Max.
Min.
Max.
#6
0.6
1
1.3
1.8
1.8
2.4
#8
1.3
1.7
2.5
3.2
3.4
4.6
#10
1.8
2.4
3.4
4.6
4.9
6.6
1/4
4.4
5.9
8
11
12
16
5/16
9
12
16
22
23
31
3/8
16
22
29
(39)
(41)
55
7/16
26
35
(47)
63
66
88
1/2
(40)
53
74.
96
100
130
5/8
81
103
150
190
210
270
3/4
140
180
260
340
360
490
7/8
230
300
410
560
590
780
1
340
460
620
830
880
1180
4
1. Introduction
1-19
ACX2831410
