Appendix C General Torque Specifications - Kohler 8.5RES Service

Appendix C General Torque Specifications

Size
8-32
10-24
10-32
1/4-20
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
7/16-14
7/16-20
1/2-13
1/2-20
9/16-12
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
1-8
1-12
Notes:
1. The torque values above are general guidelines. Always use the torque values specified in the service manuals and/or assembly
drawings when they differ from the above torque values.
2. The torque values above are based on new plated threads. Increase torque values by 15% if non-plated threads are used.
3. Hardware threaded into aluminum must have either two diameters of thread engagement or a 30% or more reduction in the torque to
prevent stripped threads.
4. Torque values are calculated as equivalent stress loading on American hardware with an approximate preload of 90% of the yield strength
and a friction coefficient of 0.125.
126 Appendix
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American Standard Fasteners Torque Specifications
Torque
Measurement Grade 2
Nm (in. lb.) 1.8
Nm (in. lb.) 2.9
Nm (in. lb.) 2.9
Nm (in. lb.) 6.8
Nm (in. lb.) 8.1
Nm (in. lb.) 13.6
Nm (in. lb.) 14.9
Nm (ft. lb.) 24.0
Nm (ft. lb.) 27.0
Nm (ft. lb.) 39.0
Nm (ft. lb.) 43.0
Nm (ft. lb.) 60.0
Nm (ft. lb.) 66.0
Nm (ft. lb.) 81.0
Nm (ft. lb.) 91.0
Nm (ft. lb.) 113.0
Nm (ft. lb.) 128.0
Nm (ft. lb.) 199.0
Nm (ft. lb.) 222.0
Nm (ft. lb.) 259.0
Nm (ft. lb.) 283.0
Metric Fasteners Torque Specifications, Measured in Nm (ft. lb.)
Assembled into Cast Iron or Steel
Grade 5.8
Size (mm)
M6 x 1.00 6.2 (4.6)
M8 x 1.25 15.0 (11)
M8 x 1.00 16.0 (11)
M10 x 1.50 30.0 (22)
M10 x 1.25 31.0 (23)
M12 x 1.75 53.0 (39)
M12 x 1.50 56.0 (41)
M14 x 2.00 83.0 (61)
M14 x 1.50 87.0 (64)
M16 x 2.00 127.0 (94)
M16 x 1.50 132.0 (97)
M18 x 2.50 179.0 (132)
M18 x 1.50 189.0 (140)
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Assembled into Cast Iron or Steel
Grade 5
(16) 2.3 (20)
(26) 3.6 (32)
(26) 3.6 (32)
(60) 10.8 (96)
(72) 12.2 (108)
(120) 21.7 (192)
(132) 23.1 (204)
(18) 38.0 (28)
(20) 42.0 (31)
(29) 60.0 (44)
(32) 68.0 (50)
(44) 92.0 (68)
(49) 103.0 (76)
(60) 133.0 (98)
(67) 148.0 (109)
(83) 183.0 (135)
(94) 208.0 (153)
(147) 325.0 (240)
(164) 363.0 (268)
(191) 721.0 (532)
(209) 789.0 (582)
Grade 8.8 Grade 10.9
9.5 (7) 13.6
23.0 (17) 33.0
24.0 (18) 34.0
45.0 (34) 65.0
47.0 (35) 68.0
80.0 (59) 115.0
85.0 (63) 122.0
126.0 (93) 180.0
133.0 (98) 190.0
194.0 (143) 278.0
201.0 (148) 287.0
273.0 (201) 390.0
289.0 (213) 413.0
Assembled into
Aluminum
Grade 8
Grade 2 or 5
—
—
—
14.9 (132)
16.3 (144)
29.8 (264)
32.5 (288)
53.0 (39)
60.0 (44)
85.0 (63)
95.0 (70) See Note 3
130.0 (96)
146.0 (108)
187.0 (138)
209.0 (154)
259.0 (191)
293.0 (216)
458.0 (338)
513.0 (378)
1109.0 (818)
1214.0 (895)
Assembled into
Aluminum
Grade 5.8 or 8.8
(10)
(24)
(25)
(48)
(50)
(85)
(90) See Note 3
(133)
(140)
(205)
(212)
(288)
(305)
TP-6196 10/09