Linear Tolerances
Nominal size
mm
|
D1 Tolerance
(General dimensions)
|
D2 Tolerance
(Some functional dimensions)
|
to 6
|
± 0.15
|
± 0.12
|
6 to 10
|
± 0.18
|
± 0.14
|
10 to 18
|
± 0.22
|
± 0.17
|
18 to 30
|
± 0.26
|
± 0.20
|
30 to 50
|
± 0.40
|
± 0.31
|
50 to 80
|
± 0.45
|
± 0.37
|
80 to 120
|
± 0.55
|
± 0.44
|
120 to 180
|
± 0.80
|
± 0.65
|
180 to 250
|
± 1.20
|
± 0.95
|
250 to 315
|
± 1.30
|
± 1.10
|
315 to 400
|
± 1.80
|
± 1.40
|
Tolerances for straightness, flatness, parallelity, shape
Precision class
|
Length of the tolerated element
|
to 25 mm
|
25 to 50 mm
|
up to 50 mm
|
Allowed difference
|
D1
|
0.15 mm
|
0.25 mm
|
0.6%
|
D2
|
0.10 mm
|
0.20 mm
|
0.4%
|
Tolerances for angle values and right angles
Precision class
|
Nominal dimensions
|
to 30 mm
|
30 to 100 mm
|
100 to 200 mm
|
up to 200 mm
|
D1
|
Allowed deviation
|
Minute degree
|
30
|
30
|
30
|
20
|
mm / 100 mm
|
0.87
|
0.87
|
0.87
|
0.58
|
D2
|
Allowed deviation
|
Minute degree
|
30
|
20
|
15
|
15
|
mm / 100 mm
|
0.87
|
0.58
|
0.44
|
0.44
|
Surface quality according to ISO R 468, DIN 4769 and VSM 10321
|
Ra
|
Rz
|
Rt
|
N9
|
6.3
|
23-32
|
25-38
|