I.S. EN 20286-2:1994

National foreword
Committees responsible
Specification
0. Introduction
1. Scope
2. Field of application
3. References
4. Standard tolerances
5. Limit deviations for holes
6. Limit deviations for shafts
7. Bibliography
Annex
Graphical review of tolerance zones of holes and shafts
Tables
1. Numerical values of standard tolerance grades IT
     for basic sizes up to 3 150 mm
2. Limit deviations for holes A, B and C
3. Limit deviations for holes CD, D and E
4. Limit deviations for holes EF and F
5. Limit deviations for hoels FG and G
6. Limit deviations for holes H
7. Limit deviations for holes JS
8. Limit deviations for holes J and K
9. Limit deviations for holes M and N
10. Limit deviations for holes R
12. Limit deviations for holes S
13. Limit deviations for holes T and U
14. Limit deviations for holes V, X and Y
15. Limit deviations for holes Z and ZA
16. Limit deviations for holes ZB and ZC
17. Limit deviations for shafts a, b and c
18. Limit deviations for shafts cd and d
19. Limit deviations for shafts e and ef
20. Limit deviations for shafts f and fg
21. Limit deviations for shafts g
22. Limit deviations for shafts h
23. Limit deviations for shafts js
24. Limit deviations for shafts j and k
25. Limit deviations for shafts m and n
26. Limit deviations for shafts p
27. Limit deviations for shafts r
28. Limit deviations for shafts s
29. Limit deviations for shafts t and u
30. Limit deviations for shafts v, x and y
31. Limit deviations for shafts z and za
32. Limit deviations for shafts zb and zc
Figures
1. Upper and lower deviations
2. Synoptic representation of tolerance classes for
     holes for basic sizes less than or equal to 500 mm
3. Synoptic representation of tolerance classes for
     holes for basic sizes greater than 500 mm and less
     than or equal to 3 150 mm
4. Synoptic representation of tolerance classes for
     shafts for basic sizes less than or equal to 500 mm
5. Synoptic representation of tolerance classes for
     shafts for basic sizes greater than 500 mm and less
     than or equal to 3 150 mm
6. Graphical review of tolerance classes for holes in
     terms of fundamental deviations
7. Graphical review of tolerance classes for holes in
     terms of standard tolerances grades
8. Graphical review of tolerance classes for shafts in
     terms of fundamental deviations
9. Graphical review of tolerance classes for shafts in
     terms of standard tolerance grades

Gives values of the limit deviations for commonly used tolerance classes (zones) for holes and shafts calculated from the information given in I.S. EN 20286-1.