USER:BURT HARRIS TABLE

ISO 286-1:2010 (E) Table 1^[1]
Nominal size		International tolerance grade
>	≤	IT01		IT0		IT1		IT2		IT3		IT4	IT5	IT6	IT7	IT8	IT9	IT10	IT11	IT12		IT13		IT14		IT15		IT16		IT17		IT18
mm		tolerance in µm																		tolerance in mm
0	3	0	.3	0	.5	0	.8	1	.2	2	.0	1	1	6	10	14	25	40	60	0	.10	0	.14	0	.25	0	.40	0	.60	1	.00	1.40
3	6	0	.4	0	.6	1	.0	1	.5	2	.5	1	5	8	12	18	30	48	75	0	.12	0	.18	0	.30	0	.48	0	.75	1	.20	1.80
6	10	0	.4	0	.6	1	.0	1	.5	2	.5	4	6	9	15	22	36	58	90	0	.15	0	.22	0	.36	0	.58	0	.90	1	.50	2.20
10	18	0	.5	0	.8	1	.2	2	.0	3		5	8	11	18	27	43	70	110	0	.18	0	.27	0	.43	0	.70	1	.10	1	.80	2.70
18	30	0	.6	1	.0	1	.5	2	.5	4		6	9	13	21	33	52	84	130	0	.21	0	.33	0	.52	0	.84	1	.30	2	.10	3.30
30	50	0	.6	1	.0	1	.5	2	.5	4		7	11	16	25	39	62	100	160	0	.25	0	.39	0	.62	1	.00	1	.60	2	.50	3.90
50	80	0	.8	1	.2	2	.0	3		5		8	13	19	30	46	74	120	190	0	.30	0	.46	0	.74	1	.20	1	.90	3	.00	4.60
80	120	1	.0	1	.5	2	.5	4		6		10	15	22	35	54	87	140	220	0	.35	0	.54	0	.87	1	.40	2	.20	3	.50	5.40
120	180	1	.2	2		3	.5	5		8		12	18	25	40	63	100	160	250	0	.40	0	.63	1	.00	1	.60	2	.50	4	.00	6.30
180	250	2	.0	3		4	.5	7		10		14	20	29	46	72	115	185	290	0	.46	0	.72	1	.15	1	.85	2	.90	4	.60	7.20
250	315	2	.5	4		6		8		12		16	23	32	52	81	130	210	320	0	.52	0	.81	1	.30	2	.10	3	.20	5	.20	8.10
315	400	3		5		7		9		13		18	25	36	57	89	140	230	360	0	.57	0	.89	1	.40	2	.30	3	.60	5	.70	8.90
400	500	4		6		8		10		15		20	27	40	63	97	155	250	400	0	.63	0	.97	1	.55	2	.50	4	.00	6	.30	9.70
500	630					9		11		16		22	32	44	70	110	175	280	440	0	.70	1	.10	1	.75	2	.80	4	.40	7	.00	11.00
630	800					10		13		18		25	36	50	80	125	200	320	500	0	.80	1	.25	2	.00	3	.20	5	.00	8	.00	12.50
800	1,000					11		15		21		28	40	56	90	140	230	360	560	0	.90	1	.40	2	.30	3	.60	5	.60	9	.00	14.00
1,000	1,250					13		18		24		33	47	66	105	165	260	420	660	1	.05	1	.65	2	.60	4	.20	6	.60	10	.50	16.50
1,250	1,600					15		21		29		39	55	78	125	195	310	500	780	1	.25	1	.95	3	.10	5	.00	7	.80	12	.50	19.50
1,600	2,000					18		25		35		46	65	92	150	230	370	600	920	1	.50	2	.30	3	.70	6	.00	9	.20	15	.00	23.00
2,000	2,500					22		30		41		55	78	110	175	280	440	700	1,100	1	.75	2	.80	4	.40	7	.00	11	.00	17	.50	28.00
2,500	3,150					26		36		50		68	96	135	210	330	540	860	1,350	2	.10	3	.30	5	.40	8	.60	13	.50	21	.00	33.00

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