freightliner WALK-IN VAN CHASSIS Operator's Manual page 169

Torque Values for U.S. Customary Thread Fasteners With Dry (Unlubricated)
Thread
Diameter— Grade 5 Bolt
Pitch
Torque: lbf·ft (N·m)
f230002
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
7/8–9
7/8–14
1–8
1–12
1–14
*
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
all plated and unplated fasteners be coated with oil before installation.
Table 18.2, Torque Values for U.S. Customary Thread Fasteners With Dry (Unlubricated) Plain (Unplated) Threads
Regular Hex
Grade 5 or B Grade 8 or 8.2
Nut
f230003
8 (11)
9 (12)
15 (20)
17 (23)
28 (38)
31 (42)
45 (61)
50 (68)
70 (95)
75 (102)
100 (136)
110 (149)
135 (183)
155 (210)
240 (325)
270 (366)
385 (522)
425 (576)
580 (786)
635 (861)
650 (881)
Grade 8 or C
Bolt Nut
Torque: lbf·ft (N·m)
f230004 f230005
10 (14)
12 (16)
22 (30)
25 (34)
40 (54)
45 (61)
65 (88)
70 (95)
95 (129)
110 (149)
140 (190)
155 (210)
190 (258)
215 (292)
340 (461)
380 (515)
540 (732)
600 (813)
820 (1112)
900 (1220)
915 (1241)
Specifications
*
Plain (Unplated) Threads
Flanged
Grade 8 or 8.2
Grade G Nut
Bolt
Torque: lbf·ft (N·m)
f230008
—
—
22 (30)
—
40 (54)
—
65 (88)
—
95 (129)
—
140 (190)
—
190 (258)
—
340 (461)
—
—
—
—
—
—
Table 18.1. FCCC recommends that
†
f230009
18.2