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Maryland Metrics Technical Data Chart:
General Tolerances to DIN ISO 2768 T1 and T2
- The latest DIN standard sheet version applies to all parts made to DIN standards.
- Variations on dimensions without tolerance values are according to "DIN ISO 2768-mk".
GENERAL TOLERANCES FOR LINEAR AND ANGULAR DIMENSIONS (DIN ISO 2768 T1)
Tolerance class EXTERNAL RADII AND CHAMFER HEIGHTS Tolerance class ANGULAR DIMENSIONS Tolerance class GENERAL TOLERANCES FOR FORM AND POSITION (DIN ISO
2768 T2) Tolerance
class H K L PERPENDICULARITY Tolerance
class H K L SYMMETRY Tolerance
class H K L RUN-OUT Tolerance
class
all dimensions in mm
LINEAR DIMENSIONS:
Permissible
deviations
in mm for ranges in
nominal lengths
f (fine)
designation (description)
v (very coarse)
m (medium)
c (coarse)
0.5 up to 3
±0.05
±0.1
±0.2
-
over 3 up to 6
±0.05
±0.1
±0.3
±0.5
over 6 up to 30
±0.1
±0.2
±0.5
±1.0
over 30 up to 120
±0.15
±0.3
±0.8
±1.5
over 120 up to 400
±0.2
±0.5
±1.2
±2.5
over 400 up to 1000
±0.3
±0.8
±2.0
±4.0
over 1000 up to 2000
±0.5
±1.2
±3.0
±6.0
over 2000 up to 4000
-
±2.0
±4.0
±8.0
Permissible
deviations
in mm for ranges in
nominal lengths
f (fine)
designation (description)
v (very coarse)
m (middle)
c (coarse)
0.5 up to 3
±0.2
±0.2
±0.4
±0.4
over 3 up to 6
±0.5
±0.5
±1.0
±1.0
over 6
±1.0
±1.0
±2.0
±2.0
Permissible
deviations
in degrees and minutes
for ranges in nominal
lengths
f (fine)
designation (description)
v (very coarse)
m (middle)
c (coarse)
up to 10
±1º
±1º
±1º30'
±3º
over 10 up to 50
±0º30'
±0º30'
±1º
±2º
over 50 up to 120
±0º20'
±0º20'
±0º30'
±1º
over 120 up to 400
±0º10'
±0º10'
±0º15'
±0º30'
over 400
±0º5'
±0º5'
±0º10'
±0º20'
STRAIGHTNESS AND FLATNESS
Ranges in nominal
lengths in mm
up to 10
0.02
0.05
0.1
over 10 up to 30
0.05
0.1
0.2
over 30 up to 100
0.1
0.2
0.4
over 100 up to 300
0.2
0.4
0.8
over 300 up to 1000
0.3
0.6
1.2
over 1000 up to 3000
0.4
0.8
1.6
Ranges in nominal
lengths in mm
up to 100
0.2
0.4
0.6
over 100 up to 300
0.3
0.6
1
over 300 up to 1000
0.4
0.8
1.5
over 1000 up to 3000
0.5
0.8
2
Ranges in nominal
lengths in mm
up to 100
0.5
0.6
0.6
over 100 up to 300
0.5
0.6
1
over 300 up to 1000
0.5
0.8
1.5
over 1000 up to 3000
0.5
1
2
H
K
L
0.1
0.2
0.5