Dimensional tolerance for round, square and hexagonal rod and wire
Tolerances' | |||||
---|---|---|---|---|---|
Nominal sizes | Round rod (diameter) and wireb | Square and hexagonal rod and wire (width across-flats) | |||
over | up to and including | Class A | Class B | Class A | Class B |
2c | 3 | 0 | ± 0,03 | - | - |
-0,06 | |||||
3 | 6 | 0 | ± 0,04 | ± 0,06 | |
-0,08 | - | -0,12 | |||
6 | 10 | 0 | ± 0,05 | ±0,08 | |
-0,09 | -0,15 | ||||
10 | 18 | 0 | ± 0,06 | ± 0,09 | |
-0,11 | -0,18 | ||||
18 | 30 | 0 | ± 0,07 | ± 0,11 | |
-0,13 | -0,21 | ||||
30 | 50 | 0 | ± 0,08 | ± 0,13 | |
-0,16 | -0,25 | ||||
50 | 80 | 0 | ± 0,10 | ± 0,15 | |
-0,19 | -0,30 | ||||
80 | 120 | 0 | ± 0,18 | ± 0,27 | |
- 0,30 | -0,54 | ||||
120 | 160 | 0 | ± 0,30 | ± 0,32 | |
- 0,60 | -0,63 |
a: The tolerance specified are based on ISO h11 or ISO h13 for class A( minus tolerance only) and on ISO js11 or ISO js 13 for class B(plus/minus tolerances.)
b:The circularity (see 3.3) is included in the tolerance on diameter and shall not exceed half the tolerance specified above.
c:Including 2
Tolerance on width and thickness of bar and rectanglular wire
Nominal widths | Tolerance on width | Tolerance on nominal thickness | for range of thickness | |||||
---|---|---|---|---|---|---|---|---|
over | up to and including | |||||||
From 0,5 up to and Including 3 | Over 3 up to and including 10 | over 6 up to and including 10 | over 10 up to and including 18 | over 18 up to and including 30 | over 30 up to and including 40 | |||
1 b | 10 | ± 0,08 | ± 0,05 | ± 0,06 | ± 0,08 | - | - | - |
10 | 18 | ±0,10 | ±0,05 | ±0,06 | ±0,08 | ±0,10 | - | - |
18 | 30 | ± 0,15 | ± 0,05 | ± 0,07 | ± 0,09 | ± 0,10 | ± 0,15 | - |
30 | 50 | ± 0,20 | ± 0,06 | ± 0,09 | ± 0,10 | ± 0,12 | ± 0,15 | ± 0,20 |
50 | 80 | ±0,25 | ±0,09 | ±0,10 | ±0,12 | ±0,15 | ±0,18 | ±0,25 |
80 | 120 | ± 0,30 | - | ± 0,12 | ± 0,15 | ± 0,18 | ± 0,23 | ± 0,30 |
120 | 160 | ± 0,40 | - | - | ± 0,18 | ± 0,20 | ± 0,25 | ± 0,35 |
160 | 200 | ± 0,50 | - | - | ± 0,20 | ± 0,25 | ± 0,30 | ± 0,40 |
a: where the ratio nominal thickness is grater than 20:1, tolerance shall be agreed between the purchaser and the supplier
b: Including 1.