|
Standard Dimensional Tolerance Table
- Molded Solid Rubber Products |
|
Drawing Designation "A2"
Precision |
|
Size (inches) |
|
Size (millimeters) |
| Above |
Included |
Fixed |
Closure |
Above |
Included |
Fixed |
Closure |
| 0- |
0.40 |
+/- .006 |
+/- .008 |
0- |
10 |
+/- .16 |
+/- .20 |
| .40- |
0.63 |
+/- .008 |
+/- .010 |
10- |
16 |
+/- .20 |
+/- .25 |
| .63- |
1.00 |
+/- .010 |
+/- .013 |
16- |
25 |
+/- .25 |
+/- .32 |
| 1.00- |
1.60 |
+/- .013 |
+/- .016 |
25- |
40 |
+/- .32 |
+/- .40 |
| 1.60- |
2.50 |
+/- .016 |
+/- .020 |
40- |
63 |
+/- .40 |
+/- .50 |
| 2.50- |
4.00 |
+/- .020 |
+/- .025 |
63- |
100 |
+/- .50 |
+/- .63 |
| 4.00- |
6.30 |
+/- .025 |
+/- .032 |
100- |
160 |
+/- .63 |
+/- .80 |
| 6.30 & over |
To find fixed dimensional tolerances multiply by 0.4% |
160 & over |
To find fixed dimensional tolerances multiply by 0.4% |
| Drawing designation
"A2" tolerances indicate a precision product. Molds must be
precision machined and kept in good repair. While measurement methods may
be simpler than with Drawing Designation "A1", careful
inspection will be required. |
