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The values given are for clean, dry threads.
Size
Measurement
8-32
in. lbs. (Nm)
10-24
in. lbs. (Nm)
10-32
in. lbs. (Nm)
1/4-20
in. lbs. (Nm)
1/4-28
in. lbs. (Nm)
5/16-18
in. lbs. (Nm)
5/16-24
in. lbs. (Nm)
3/8-16
ft. lbs. (Nm)
3/8-24
ft. lbs. (Nm)
7/16-14
ft. lbs. (Nm)
7/16-20
ft. lbs. (Nm)
1/2-13
ft. lbs. (Nm)
1/2-20
ft. lbs. (Nm)
9/16-12
ft. lbs. (Nm)
9/16-18
ft. lbs. (Nm)
5/8-11
ft. lbs. (Nm)
5/8-18
ft. lbs. (Nm)
3/4-10
ft. lbs. (Nm)
3/4-16
ft. lbs. (Nm)
Major Thread Diameter In Fractional
Inches Or Screw Number Size
TP-5648 8/93
General Torque Specifications
AMERICAN STANDARD
Assembled in Cast Iron or Steel
Grade 2
Grade 5
20 (2.3)
25 (2.8)
32 (3.6)
40 (4.5)
32 (3.6)
40 (4.5)
70 (7.9)
115
85 (9.6)
140 (15.8)
150
(17)
250 (28.2)
165 (18.6)
270 (30.5)
22
(30)
35
25
(35)
40
35
(45)
55
45
(54)
75 (105)
50
(65)
80 (110)
70
(95)
105 (140)
75 (105)
125 (165)
100 (136)
165 (224)
110 (149)
180 (244)
140 (190)
230 (312)
150 (203)
245 (322)
200 (271)
325 (440)
Sample Dimensions
American Standard
Grade 8
-
-
-
(13)
165 (18.6)
200 (22.6)
350
(40)
360
(41)
(45)
50
(65)
(54)
60
(80)
(75)
80 (108)
105 (142)
115 (155)
165 (224)
175 (237)
230 (312)
260 (353)
330 (447)
350 (475)
470 (637)
1/4-20 x 1
Length In Inches
Threads Per Inch
Assembled in Aluminum
Grade 2 or 5
20 (2.3)
32 (3.6)
-
70 (7.9)
-
150 (17)
-
Common Hardware 10-5
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