TIGHTENING TORQUES FOR SCREWS
WITH STANDARD METRIC THREAD
Screw size
Preload values F
M
based on
Grades in N
Tightening torques M
A
based on Grades in Nm
Wrench size for
Hex head screw
Socket head screw
8.8
10.9
12.9
8.8
10.9
12.9
mm
Inch
mm
Inch
M4 x 0.7
3,900
5,700
6,700
3.1
4.5
5.3
7
9/32
3
-
M5 x 0.8
6,400
9,300
10,900
6.1
8.9
10.4
8
-
4
5/32
M6 x 1
9,000
13,200
15,400
10.4
15.5
18.0
10
-
5
-
M7 x 1
13,100
19,300
22,600
17.0
25.0
30.0
11
-
-
-
M8 x 1.25
16,500
24,200
28,500
25
37
43
13
1/2
6
-
M10 x 1.5
26,000
38,500
45,000
51
75
87
17
11/16
8
-
M12 x 1.75
38,500
56,000
66,000
87
130
150
19
3/4
10
-
M14 x 2
53,000
77,000
90,000
140
205
240
22
7/8
12
-
M16 x 2
72,000
106,000
124,000
215
310
370
24
61/64
14
9/16
M18 x 2.5
91,000
129,000
151,000
300
430
510
27
1-1/16
14
9/16
M20 x 2.5
117,000
166,000
194,000
430
620
720
30
1-3/16
17
43/64
M22 x 2.5
146,000
208,000
243,000
580
970
830
32
1-9/92
17
43/64
M24 x 3
168,000
239,000
280,000
740
1,060
1,240
36
1-7/16
19
3/4
M27 x 3
221,000
315,000
370,000
1,100
1,550
1,850
41
1-5/8
19
3/4
M30 x 3.5
270,000
385,000
450,000
1,500
2,100
2,500
46
1-13/16
22
7/8
M33 x 3.5
335,000
480,000
560,000
2,000
2,800
3,400
50
2
24
61/64
M36 x 4
395,000
560,000
660,000
2,600
3,700
4,300
55
2-3/16
27
1-1/16
M39 x 4
475,000
670,000
790,000
3,400
4,800
5,600
60
2-3/8
27
1-1/16
NOTE!
Preload forces and
Ɵ
ghtening torques are based on lightly lubricated screws and nuts (corresponds to
medium fric
Ɵ
on
µ
G = 0.14). Nm = x 0.7375 =
Ō
. lbs.
Содержание 5600D EMV550v3
Страница 2: ...April 2013 V3 DAWSON CONSTRUCTION PLANT LIMITED DAWSON EMV 550 OPERATORS INSTRUCTIONS SPARE PARTS LIST...
Страница 22: ...DAWSON DAWSON DAWSON DAWSON DAWSON CONSTRUCTION PLANT LIMITED 9 0 PARTS LIST FOR THE EMV550...
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Страница 35: ...6621 0 2 7 1 55 1 0 17 09 03 55 1 0 17 09 03 55 1 0 17 09 03 55 1 0 17...
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Страница 52: ...STAND Remarks Inspect general condition of stand...