Metric spanners
Metric spanners relate to the gap between the jaws in mm and therefore
equate to the dimension across the flats of the nut.
|
Thread Size
|
Spanner Size
mm |
Pitch
|
|||
|
M = mm dia.
|
Std. ISO
|
Jap.
|
Std.
|
Fine
|
Jap.
|
|
4 5 6 7 8 9 10 12 14 16 18 |
7 8 10 11 13 14 17 19 22 24 27 |
- - - - 12 - 14 - - - - |
0.70 0.80 1.00 1.00 1.25 1.25 1.50 1.75 2.00 2.00 2.00 |
- - - - 1.00 - 1.00 1.50 1.50 1.50 1.50 |
- - - - 1.25 - 1.25 - - - - |
|
Thread Size
|
Spanner Size
mm |
Pitch
|
|||
|
Tap Size
mm . |
Drill Size
mm. |
|
2.3
2.6 3.0 3.5 4.0 4.5 5.0 6.0 7.0 8.0 9.0 10.0 11.0 12.0 |
1.9
2.1 2.5 2.9 3.3 3.8 4.2 5.0 6.0 6.8 7.9 8.5 9.5 10.2 |
|
Tap Size
mm . |
Drill Size
mm. |
