Mechanical Engineering Drawing Workshop

General Tolerances
Table 4: Permissible dimensional deviation of lengt

h without chamfer.

Standard Tolerance Grade

Datum Dimension

SymbolMeaning

from 0.5over 3

over 6over 30

over 120over 400

over 100^0

to 3to 6

to 30to 120

to 400to 1000

to 2000

Limit deviations

ffine

±0.05±0.05

±0.1±0.15

±0.2±0.3

±0.5

mmedium

±0.1±0.1

±0.2±0.3

±0.5±0.8

±1.2

ccoarse

0.20.3±±

0.50.8±±

1.2^2 ±±

(^3) ±
vvery coarse

- ±0.5

±^1 ±1.5

±2.5±^4

±^6

Standard Tolerance Grade

Datum Dimension

SymbolMeaning

from 0.5over 3

over 6

to 3to 6 Limit deviations

ffine

±0.2±0.5

±^1

mmediumccoarse

±0.4±^1

±^2

vvery coarse

Table 5: Permissible dimensional deviation of lengt

h of chamfer.