AnnexAnnex.T.06

Position tolerances and deviations (selection from STAS 7391)

Parallelism (), perpendicularity () and angularity () tolerances

Nominal size [mm]	Tolerance grade
	1	2	3	4	5	6	7	8	9	10	11	12
	Tolerance values [μm]
Up to 10	0.4	0.6	1	1.6	2.5	4	6	10	16	25	40	60
Over 10 up to 16	0.5	0.8	1.2	2	3	5	8	12	20	30	50	80
Over 16 up to 25	0.6	1	1.6	2.5	4	6	10	16	25	40	60	100
Over 25 up to 40	0.8	1.2	2	3	5	8	12	20	30	50	80	120
Over 40 up to 63	1	1.6	2.5	4	6	10	16	25	40	60	100	160
Over 63 up to 100	1.2	2	3	5	8	12	20	30	50	80	120	200
Over 100 up to 160	1.6	2.5	4	6	10	16	25	40	60	100	160	250
Over 160 up to 250	2	3	5	8	12	20	30	50	80	120	200	300
Over 250 up to 400	2.5	4	6	10	16	25	40	60	100	160	250	400
Over 400 up to 630	3	5	8	12	20	30	50	80	120	200	300	500
Over 630 up to 1000	4	6	10	16	25	40	60	100	160	250	400	600

Coaxiality, concentricity () and symmetry () tolerances

Nominal size [mm]	Tolerance grade
	1	2	3	4	5	6	7	8	9	10	11	12
	Tolerance values [μm]
Up to 6	1.2	2	3	5	8	12	20	30	50	80	120	200
Over 6 up to 18	1.6	2.5	4	6	10	16	25	40	60	100	160	250
Over 18 up to 50	2	3	5	8	12	20	30	50	80	120	200	300
Over 50 up to 120	2.5	4	6	10	16	25	40	60	100	160	250	400
Over 120 up to 200	3	5	8	12	20	30	50	80	120	200	300	500
Over 200 up to 500	4	6	10	16	25	40	60	100	160	250	400	600
Over 500 up to 800	5	8	12	20	30	50	80	120	200	300	500	800
Over 800 up to 1250	6	10	16	25	40	60	100	160	250	400	600	1000
Over 1250 up to 2000	8	12	20	30	50	80	120	200	300	500	800	1200