B
B
1 - 23
3/4-16
.7500
.3730
33500
420
320
40600
355
--
7/8-9
.8750
.4620
41600
600
460
50300
505
--
7/8-14
.8750
.5090
45900
660
500
55400
585
--
1-8
1.000
.6060
54500
900
680
65900
775
--
1-12
1.0000
.6630
59700
1000
740
73800
900
--
1-14
1.0000
.6800
61200
1020
760
--
--
--
1-1/8-7
1.1250
.7630
68900
1280
960
83000
1150
--
1-1/8-12
1.1250
.8560
77000
1440
1080
93100
1325
--
1-1/4-7
1.2500
.9690
87200
1820
1360
105400
1600
--
1-1/4-12
1.2500
1.0730
96600
2000
1500
116700
1750
--
1-3/8-6
1.3750
1.1550
104000
2380
1780
--
--
--
1-3/8-12
1.3750
1.3150
118400
2720
2040
--
--
--
1-1/2-6
1.5000
1.4050
126500
3160
2360
152800
3250
--
1-1/2-12
1.5000
1.5800
142200
3560
2660
171900
3650
--
Hardware Torque Chart SAE Grade 8 and 9 (Continued)
Size
Basic
Major Dia.
Stress
Area H-28
SAE Grade 8 Assembly Torque
SAE Grade 9 Assembly Torque
Clamp Load
(lbs)
Dry
(in-lb)
Lubed
(in-lb)
Clamp Load
(lbs)
Dry
(in-lb)
Lubed
(in-lb)