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REGLAGES COUPLES POUR AGRAFES
Le tableau dessous montre la clé correcte pour les agrafes. Lisez ce tableau quand vous
serrez ou remplacez les boulons pour déterminer le type de boulon et la clé correcte. Sauf
avis contraire les valeurs couples sont assignées dans le texte du manuel.
Le couple conseillé est au Pied-Kilo et Mètres- Newton dans ce manuel.
La conversion est. 1 MN. = 0.7376 ft.lbs.
TORQUE VALUES FOR IMPERIAL BOLTS
Head Marking
No Marks
Grade Two
Bolt
Value (Dry)
Dia.
ft.lb.
5.5
1/4"
11
5/16"
20
3/8"
32
7/16"
50
1/2"
70
9/16"
100
5/8"
175
3/4"
175
7/8"
270
1"
375
1-1/8"
530
1-1/4"
700
1-3/8"
930
1-1/2"
TORQUE VALUES FOR METRIC BOLTS.
Head Marking
Bolt
Value (Dry)
Dia.
ft.lb.
4.5
6mm
11
8mm
21
10mm
37
12mm
60
14mm
92
16mm
125
18mm
180
20mm
250
22mm
310
24mm
450
27mm
625
30mm
Head Marking
Three Lines
Grade Five
Value (Dry)
Nm.
ft.lb.
7.5
15.0
27.0
43.0
68.0
95.0
115
135.0
160
240.0
280
240.0
450
360.0
675
510.0
850
720.0
1200
950.0
1550
1250.0
2100
4.8
Head Marking
4.8
Value (Dry)
Nm.
ft.lb.
6.1
14.9
28.5
50.2
81.4
110
125.0
175
170.0
250
245.0
350
340.0
475
420.0
600
610.0
875
850.0
1200
Head Marking
Nm.
ft.lb.
9
12.2
18
25.0
33
45.0
52
70.0
80
110.0
155.0
220.0
380.0
610.0
915.0
115.0
1626.0
2100.0
2850.0
8.8
Head Marking
8.8
Nm.
ft.lb.
8.5
11.5
20
27.1
40
54.2
70
95.0
150.0
240.0
340.0
475.0
645.0
810.0
1180.0
1626.0
57
NOTE:
The values in
the chart apply
to fasteners as
received from
Six Lines
the supplier,
Grade Eight
dry or when
Value (Dry)
lubricated with
Nm.
normal engine
12.5
17.0
oil. They DO
26
35.2
NOT apply if
46
63.0
special
75
100.0
graphited,
115
155.0
molydisulphide
160
220.0
greases, or
225
305.0
other extreme
400
540.0
pressure
650
880.0
lubricants are
975 1325.0
used. This
1350 1830.0
applies to both
1950 2650.0
UNF and UNC
2550 3460.0
coarse threads .
3350
4550.0
10.9
10.9
Value (Dry)
Nm.
12
16.3
30
40.1
60
81.4
105
140.0
165
225.0
255
350.0
350
475.0
500
675.0
675
915.0
850 1150.0
1250 1700.0
1700 2300.0
12.9
Head Marking
12.9
Value (Dry)
ft.lb.
Nm.
14.5
20.0
35
47.5
70
95.0
120
160.0
190
260.0
300
400.0
410
550.0
580
790.0
800
1090.0
1000
1350.0
1500
2000.0
2000
2700.0
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