Appendix c general torque specifications – Kohler 4EOZ User Manual
Page 38
TP-6138 5/02
A-4 Appendix
Appendix C General Torque Specifications
Use the following torque specifications when service
literature instructions give no specific torque values.
The charts list values for new plated, zinc phosphate, or
oiled threads. Increase values by 15% for nonplated
threads. All torque values are +0%/--10%.
American Standard Fasteners Torque Specifications
Torque
Assembled into Cast Iron or Steel
Assembled into
Aluminum
Size
Torque
Measurement
Grade 2
Grade 5
Grade 8
Aluminum
Grade 2 or 5
8-32
Nm (in. lb.)
1.8
(16)
2.3
(20)
—
1.8 (16)
10-24
Nm (in. lb.)
2.9
(26)
3.6
(32)
—
2.9 (26)
10-32
Nm (in. lb.)
2.9
(26)
3.6
(32)
—
2.9 (26)
1/4-20
Nm (in. lb.)
6.8
(60)
10.8
(96)
14.9 (132)
6.8 (60)
1/4-28
Nm (in. lb.)
8.1
(72)
12.2 (108)
16.3 (144)
8.1 (72)
5/16-18
Nm (in. lb.)
13.6 (120)
21.7 (192)
29.8 (264)
13.6 (120)
5/16-24
Nm (in. lb.)
14.9 (132)
23.1 (204)
32.5 (288)
14.9 (132)
3/8-16
Nm (ft. lb.)
24.0
(18)
38.0
(28)
53.0
(39)
24.0 (18)
3/8-24
Nm (ft. lb.)
27.0
(20)
42.0
(31)
60.0
(44)
27.0 (20)
7/16-14
Nm (ft. lb.)
39.0
(29)
60.0
(44)
85.0
(63)
—
7/16-20
Nm (ft. lb.)
43.0
(32)
68.0
(50)
95.0
(70)
—
1/2-13
Nm (ft. lb.)
60.0
(44)
92.0
(68)
130.0
(96)
—
1/2-20
Nm (ft. lb.)
66.0
(49)
103.0
(76)
146.0 (108)
—
9/16-12
Nm (ft. lb.)
81.0
(60)
133.0
(98)
187.0 (138)
—
9/16-18
Nm (ft. lb.)
91.0
(67)
148.0 (109)
209.0 (154)
—
5/8-11
Nm (ft. lb.)
113.0
(83)
183.0 (135)
259.0 (191)
—
5/8-18
Nm (ft. lb.)
128.0
(94)
208.0 (153)
293.0 (216)
—
3/4-10
Nm (ft. lb.)
199.0 (147)
325.0 (240)
458.0 (338)
—
3/4-16
Nm (ft. lb.)
222.0 (164)
363.0 (268)
513.0 (378)
—
1-8
Nm (ft. lb.)
259.0 (191)
721.0 (532)
1109.0 (818)
—
1-12
Nm (ft. lb.)
283.0 (209)
789.0 (582)
1214.0 (895)
—
Metric Fasteners Torque Specifications, Measured in Nm (ft. lb.)
Assembled into Cast Iron or Steel
Assembled into
Aluminum
Size (mm)
Grade 5.8
Grade 8.8
Grade 10.9
Aluminum
Grade 5.8 or 8.8
M6 x 1.00
5.6
(4)
9.9
(7)
14.0
(10)
5.6
(4)
M8 x 1.25
13.6
(10)
25.0
(18)
35.0
(26)
13.6 (10)
M8 x 1.00
21.0
(16)
25.0
(18)
35.0
(26)
21.0 (16)
M10 x 1.50
27.0
(20)
49.0
(35)
68.0
(50)
27.0 (20)
M10 x 1.25
39.0
(29)
49.0
(35)
68.0
(50)
39.0 (29)
M12 x 1.75
47.0
(35)
83.0
(61)
117.0
(86)
—
M12 x 1.50
65.0
(48)
88.0
(65)
125.0
(92)
—
M14 x 2.00
74.0
(55)
132.0
(97)
185.0 (136)
—
M14 x 1.50
100.0
(74)
140.0 (103)
192.0 (142)
—
M16 x 2.00
115.0
(85)
200.0 (148)
285.0 (210)
—
M16 x 1.50
141.0 (104)
210.0 (155)
295.0 (218)
—
M18 x 2.50
155.0 (114)
275.0 (203)
390.0 (288)
—
M18 x 1.50
196.0 (145)
305.0 (225)
425.0 (315)
—