freightliner S2 - Page 154

Torque Values for U.S. Customary Thread Fasteners With Dry (Unlubricated)
*
Plain (Unplated) Threads
†
Thread
Diameter—
Pitch
Regular Hex Flanged
Grade 5 Bolt
Grade5orB
Nut
Grade 8 or 8.2
Bolt
Grade8orC
Nut
Grade 8 or 8.2
Bolt
Grade G Nut
Torque: lbf·ft (N·m) Torque: lbf·ft (N·m) Torque: lbf·ft (N·m)
f230002
f230003
f230004
f230005
f230008
f230009
1/4–20 8 (11) 10 (14) —
1/4–28 9 (12) 12 (16) —
5/16–18 15 (20) 22 (30) 22 (30)
5/16–24 17 (23) 25 (34) —
3/8–16 28 (38) 40 (54) 40 (54)
3/8–24 31 (42) 45 (61) —
7/16–14 45 (61) 65 (88) 65 (88)
7/16–20 50 (68) 70 (95) —
1/2–13 70 (95) 95 (129) 95 (129)
1/2–20 75 (102) 110 (149) —
9/16–12 100 (136) 140 (190) 140 (190)
9/16–18 110 (149) 155 (210) —
5/8–11 135 (183) 190 (258) 190 (258)
5/8–18 155 (210) 215 (292) —
3/4–10 240 (325) 340 (461) 340 (461)
3/4–16 270 (366) 380 (515) —
7/8–9 385 (522) 540 (732) —
7/8–14 425 (576) 600 (813) —
1–8 580 (786) 820 (1112) —
1–12 635 (861) 900 (1220) —
1–14 650 (881) 915 (1241) —
*
Threads may have residual oil, but will be dry to the touch.
†
Male and female threads (bolt and nut) must both be unlubricated and unplated. If either is plated or lubricated, use Table 20.3. Freightliner recommends
that all plated and unplated fasteners be coated with oil before installation.
Table 20.2, Torque Values for U.S. Customary Thread Fasteners With Dry (Unlubricated) Plain (Unplated) Threads
Specifications
20.2