Specifications, Hardware torque – Seed Hawk TOOLBAR 2008 User Manual
Page 26

SPECIFICATIONS
 
 
HARDWARE TORQUE
SAE
Bolt
Diameter
Bolt Torque
inches
SAE 2
N·m (lb-ft)
SAE 5
N·m (lb-ft)
SAE 8
N·m (lb-ft)
1/4
8 (6)
12 (9)
19 (12)
5/16
13 (10)
25 (19)
36 (27)
3/8
27 (20)
45 (33)
63 (45)
7/16
41 (30)
72 (53)
100 (75)
1/2
61 (45)
110 (80)
155 (115)
9/16
95 (70)
155 (115)
220 (165)
5/8
128 (95)
215 (160)
305 (220)
3/4
225 (165)
390 (290)
540 (400)
7/8
230 (170)
570 (420)
880 (650)
1
345 (225)
850 (630)
1320 (970)
 
Metric 
Bolt Diameter
Bolt Torque
mm
8.8
N·m (lb-ft)
10.9
N·m (lb-ft)
M3
0.5 (0.4)
1.8 (1.3)
M4
3 (2.2)
4.5 (3.3)
M5
6 (4)
9 (7)
M6
10 (7)
15 (11)
M8
25 (18)
35 (26)
M10
50 (37)
70 (52)
M12
90 (66)
125 (92)
M14
140 (103)
200 (148)
M16
225 (166)
310 (229)
M20
435 (324)
610 (450)
M24
750 (555)
1050 (774)
M30
1495 (1103)
2100 (1550)
M36
2600 (1917)
3675 (2710)
 
Flare-Type Tube Fittings 
Tube Size
OD
in
Nut Size
across flats
in
Torque
 
 
N·m (lb-ft)
Recommended #
Turns (after
finger tightening)
turns (flats)
3/16
7/16
8 (6)
1/6 (1)
1/4
9/16
12 (9)
1/6 (1)
5/16
5/8
16 (12)
1/6 (1)
3/8 11/16 24
(18)
1/6(1)
1/2
7/8
46 (34)
1/6 (1)
5/8
1
62 (46)
1/6 (1)
3/4
1-1/4
102 (75)
1/8 (0.75)
7/8
1-3/8
122 (90)
1/8 (0.75)
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