Part Fabrication Tolerances

Linear Dimensions - ISO 2769-1

Tolerance Class	Limit Deviations in mm for nominal dimension ranges
	0.5-3	>3-6	>6-30	>30-120	>120-400	>400-1000	>1000-2000	>2000-4000
Fine	± 0.05	± 0.05	± 0.1	± 0.15	± 0.2	± 0.3	± 0.5	± -
Medium	± 0.1	± 0.1	± 0.2	± 0.3	± 0.5	± 0.8	± 1.2	± 2
Coarse	± 0.2	± 0.3	± 0.5	± 0.8	± 1.2	± 2	± 3	± 4
Very Coarse	± -	± 0.5	± 1	± 1.5	± 2.5	± 4	± 6	± 8

Radii and Chamfers - ISO 2769-1

Tolerance Class	Limit Deviations in mm for nominal dimension ranges
	0.5-3	>3-6	>6
Fine	± 0.2	± 0.5	± 1
Medium
Coarse	± 0.4	± 1	± 2
Very Coarse

Angular Dimensions - ISO 2769-1

Tolerance Class	Limit Deviations in mm for nominal dimension ranges
	0-10	>10-50	>50-120	>120-400	>400
Fine	± 1°	± 0.5°	± 0.33°	± 0.167°	± 0.083°
Medium
Coarse	± 1.5°	± 1°	± 0.5°	± 0.25°	± 0.167°
Very Coarse	± 3°	± 2°	± 1°	± 0.5°	± 0.33°