Tableau de conversion standard du pouce en mm
| Pouce |
mm |
Pouce |
mm |
Pouce |
mm |
Pouce |
mm |
| 1/16" |
= 1,5875 |
5/16" |
= 7,9375 |
9/16" |
= 14,2875 |
13/16" |
= 20,6375 |
| 1/8" |
= 3,1750 |
3/8" |
= 9,5250 |
5/8" |
= 15,875 |
7/8" |
= 22,225 |
| 3/16" |
= 4,7225 |
7/16" |
= 11,1125 |
11/16" |
= 17,4625 |
15/16" |
= 23,8125 |
| 1/4" |
= 6,35 |
1/2" |
= 12,7 |
3/4" |
= 19,05 |
1" |
= 25,40 |
Tableau de conversion des diamètres nominaux
| Int. en pouce |
mm Ext x Int |
Int. en pouce |
mm Ext x Int |
Int. en pouce |
mm Ext x Int |
Int. en pouce |
mm Ext x Int |
| 1/8" |
= 10 x 5 |
1" |
= 34 x 26 |
2" 1/2 |
= 76 x 66 |
4" 1/2 |
= 127 x 114 |
| 1/4" |
= 13 x 8 |
1" 1/4 |
= 42 x 33 |
2" 3/4 |
= 82 x 72 |
5 " |
= 140 x 127 |
| 3/8" |
= 17 x 12 |
1" 1/2 |
= 49 x 40 |
3" |
= 90 x 80 |
5" 1/2 |
= 152 x 140 |
| 1/2" |
= 21 x 15 |
2 " |
= 60 x 50 |
3" 1/2 |
= 102 x 90 |
6 " |
= 165 x 152 |
| 3/4" |
= 27 x 20 |
2" 1/4 |
= 70 x 60 |
4" |
= 114 x 102 |
|
|
Tableau de conversion des filetages au pas du gaz
| Nominal en pouces |
Appellation courante |
Extérieur "théorique" du filetage en mm |
| 1/8 |
5 x 10 |
9,72 |
| 1/4 |
8 x 13 |
13,15 |
| 3/8 |
12 x 17 |
16,66 |
| 1/2 |
15 x 21 |
20,95 |
| 5/8 |
17 x 23 |
22,91 |
| 3/4 |
20 x 27 |
26,44 |
| 7/8 |
24 x 31 |
30,20 |
| 1" |
26 x 34 |
33,24 |
| 1" 1/4 |
33 x 42 |
41,91 |
| 1" 1/2 |
40 x 49 |
47,80 |
| 1" 3/4 |
46 x 55 |
53,74 |
| 2" |
50 x 60 |
59,61 |
| 2" 1/4 |
60 x 70 (Ancienne norme) |
69,30 |
| 2" 1/2 |
66 x 76 |
75,18 |
| 2" 3/4 |
72 x 82 |
81,53 |
| 3" |
80 x 90 |
87,88 |
| 3" 1/2 |
90 x 102 |
100,33 |
| 4" |
102 x 114 |
113,03 |
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