unit of measure
conversions equivalences
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Conversion table
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HEAT, entropy, etc.
LENGTH
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MOMENT of FORCE
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POWER
PRESSURE
RADIOLOGY
TEMPERATURE
TIME
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VISCOSITY,dyna., kine.
VOLUME, capac. flow
Conversion factors in PDF
choose
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
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W
Y
ALL LIST
international system of units
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metric thread ISO
diameter of the utensils for holes from threading UNI 5699-65
(
in millimeter
)
pitch thich
pitch fine
diam. nom. of the utensils
diam. nom. of the utensils
diam. nom. of threading
P
4H
5H
6H
7H
8H
P
4H
5H
6H
7H
8H
1.6
0.35
*
1.25
-
-
-
1.8
0.35
*
1.45
-
-
-
2
0.4
*
1.6
-
-
-
2.2
0.45
=
1.75
-
-
-
2.5
0.45
=
2.05
0.35
*
2.15
3
0.5
=
2.5
0.35
*
2.65
3.5
0.6
=
2.9
0.35
*
3.15
4
0.7
=
3.3
0.5
=
3.5
4.5
0.75
=
3.75
0.5
=
4
5
0.8
=
4.2
0.5
=
4.5
6
1
=
5
0.75
=
5.25
7
1
=
6
0.75
=
6.25
8
1.25
=
6.75
1
=
7
10
1.5
=
8.5
1.25
8.75
8.8
12
1.75
=
10.25
1.25
10.75
10.8
14
2
=
12
1.5
=
12.5
16
2
=
14
1.5
=
14.5
18
2.5
=
15.5
1.5
=
16.5
20
2.5
=
17.5
1.5
*
18.5
22
2.5
*
19.5
1.5
*
20.5
24
3
*
21
2
*
22
27
3
*
24
2
*
25
30
3.5
*
26.5
2
*
28
33
3.5
*
29.5
2
*
31
36
4
*
32
3
*
33
39
4
*
35
3
*
36
42
4.5
*
37.5
3
*
39
45
4.5
*
40.5
3
*
42
48
5
*
43
3
*
45
52
5
*
47
3
*
49
56
5.5
*
50.5
-
-
-
(*) determined in relationship to the conditions of workmanship
(=) equal diameters of perforation
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(ver. # 23.03.08 )
