GENERAL TOLERANCES FOR FORM AND POSITION (DIN ISO 2768 T2) STRAIGHTNESS AND FLATNESS Ranges in nominal Tolerance class lengths in mm H K L 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. GENERAL TOLERANCES FOR FORM AND POSITION (DIN ISO 2768 T2) STRAIGHTNESS AND FLATNESS Tolerance class. Ranges in nominal lengths in mm.
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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) LINEAR DIMENSIONS:Permissible deviationsin mm for ranges innominal lengths
f (fine)Tolerance classdesignation (description)
v (very coarse)
m (medium)c (coarse)
0.5 up to 30.050.10.2-
over 3 up to 60.050.10.30.5
over 6 up to 300.10.20.51.0
over 30 up to 1200.150.30.81.5
over 120 up to 4000.20.51.22.5
over 400 up to 10000.30.82.04.0
over 1000 up to 20000.51.23.06.0
over 2000 up to 4000-2.04.08.0
EXTERNAL RADII AND CHAMFER HEIGHTSPermissible deviationsin mm for ranges innominal lengths
f (fine)Tolerance classdesignation (description)
v (very coarse)
m (middle)c (coarse)
0.5 up to 30.20.20.40.4
over 3 up to 60.50.51.01.0
over 61.01.02.02.0
ANGULAR DIMENSIONSPermissible deviationsin degrees and minutesfor ranges in nominallengths
f (fine)Tolerance classdesignation (description)
v (very coarse)
m (middle)c (coarse)
up to 1011130'3
over 10 up to 50030'030'12
over 50 up to 120020'020'030'1
over 120 up to 400010'010'015'030'
over 40005'05'010'020'
GENERAL TOLERANCES FOR FORM AND POSITION (DIN ISO 2768 T2)STRAIGHTNESS AND FLATNESSRanges in nominallengths in mmTolerance class
HKL
up to 100.020.050.1
over 10 up to 300.050.10.2
over 30 up to 1000.10.20.4
over 100 up to 3000.20.40.8
over 300 up to 10000.30.61.2
over 1000 up to 30000.40.81.6
PERPENDICULARITYRanges in nominallengths in mmTolerance class
HKL
up to 1000.20.40.6
over 100 up to 3000.30.61
over 300 up to 10000.40.81.5
over 1000 up to 30000.50.82
SYMMETRYRanges in nominallengths in mmTolerance class