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AMERICAN NATIONAL STANDARD FASTENERS
SIZE
UNITS
in-lb (Nm)
6–32
in-lb (Nm)
8–32
in-lb (Nm)
10–24
10–32
in-lb (Nm)
in-lb (Nm)
12–24
in-lb (Nm)
1/4–20
in-lb (Nm)
1/4–28
in-lb (Nm)
5/16–18
5/16–24
in-lb (Nm)
3/8–16
ft-lb (Nm)
3/8–24
ft-lb (Nm)
7/16–14
ft-lb (Nm)
7/16–20
ft-lb (Nm)
1/2–13
ft-lb (Nm)
1/2–20
ft-lb (Nm)
9/16–12
ft-lb (Nm)
9/16–18
ft-lb (Nm)
5/8–11
ft-lb (Nm)
5/8–18
ft-lb (Nm)
3/4–10
ft-lb (Nm)
3/4–16
ft-lb (Nm)
7/8–14
ft-lb (Nm)
SIZE
UNITS
M4
Nm (in-lb)
M5
Nm (in-lb)
M6
Nm (in-lb)
M8
Nm (in-lb)
M10
Nm (ft-lb)
M12
Nm (ft-lb)
M14
Nm (ft-lb)
GB-F-NL-78
GRADE 5
GRADE 8
20 (2.3)
–
24 (2.7)
30 (3.4)
35 (4.0)
45 (5.1)
40 (4.5)
50 (5.7)
50 (5.7)
65 (7.3)
95 (10.7)
125 (14.1)
95 (10.7)
150 (17.0)
200 (22.6)
270 (30.5)
240 (27.1)
300 (33.9)
30 (40.7)
40 (54.2)
35 (47.5)
45 (61.0)
50 (67.8)
65 (88.1)
55 (74.6)
70 (94.9)
75 (101.7)
100 (135.6)
85 (115.3)
110 (149.2)
105 (142.4) 135 (183.1)
115 (155.9) 150 (203.4)
150 (203.4) 195 (264.4)
160 (217.0) 210 (284.8)
170 (230.5) 220 (298.3)
175 (237.3) 225 (305.1)
300 (406.8) 400 (542.4)
METRIC FASTENERS
4.8
5.8
1.2 (11)
1.7 (15)
2.5 (22)
3.2 (28)
4.3 (38)
5.7 (50)
10.5 (93)
13.6 (120)
21.7 (16)
27.1 (20)
36.6 (27)
47.5 (35)
58.3 (43)
76.4 (55)
TORQUES
Recommended torques (± 10%) for these
grades of fasteners. Use these
specifications unless otherwise
noted. Ransomes uses grade 5 bolts
as standard (minimum commercial
quality). Do not use lower quality
bolts unless otherwise noted.
BLADE BOLT TORQUE: 70 ft-lbs (95 Nm)
WHEEL LUG NUTS: 55-65 ft-lbs (75-88 Nm)
8.8
10.9
2.9 (26)
4.1 (36)
5.8 (51)
8.1 (72)
9.9 (88)
14.0 (124)
24.4 (216)
33.9 (300)
47.5 (35)
66.4 (49)
82.7 (61)
116.6 (86)
131.5 (97)
184.4 (136) 219.7 (162)
Noncritical
Fasteners
12.9
into
Aluminum
5.0 (44)
2.0 (18)
9.7 (86)
4.0 (35)
16.5 (146)
6.8 (60)
40.7 (360)
17.0 (150)
81.4 (60)
33.9 (25)
139.7 (103)
61.0 (45)
94.9 (70)
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