LIMITS AND FITS CHART

PREFERRED FITS CHART
ISO SYMBOL	DESCRIPTION
	CLEARANCE FITS
H11/c11	LOOSE RUNNING: Fit for wide commercial tolerances
H9/e9	FREE RUNNING: Good for large temperature variations, high running speeds
H8/f7	CLOSE RUNNING: For accurate location and moderate speeds
H7/g6	SLIDING FIT: Not intended to run freely, but to move and turn and locate accurately
H7/h6	LOCATION FIT: Snug fit for staitonary parts, can be freely assembled and dissassembled
	TRANSITION FITS
H7/k6	LIGHT PRESS FIT: Fit for accurate location, assembly by light taps of mallet
H7/n6	PRESS FIT: Fit for accurate location, assembly by mallet or press
	INTERFERENCE FITS
H7/p6	PRESS FIT: Fit for parts requiring rigidity and alignment with accuracy
H7/s6	MEDIUM DRIVE: Heavy press or shrink fit not meant for dissassembly
H7/u6	SHRINK FIT: For when mating parts must behave as a single piece

HOLE TOLERANCE CHART
NOMINAL SIZE		H7		H8		H9		H11
>	≤	UPPER	LOWER	UPPER	LOWER	UPPER	LOWER	UPPER	LOWER
0	3	10	0	14	0	25	0	60	0
3	6	12	0	18	0	30	0	75	0
6	10	15	0	22	0	36	0	90	0
10	18	21	0	33	0	52	0	130	0
30	50	25	0	39	0	62	0	160	0
50	80	30	0	46	0	74	0	190	0
80	120	35	0	54	0	87	0	220	0
120	180	40	0	63	0	100	0	250	0
180	250	46	0	72	0	115	0	290	0
250	315	52	0	81	0	130	0	320	0
315	400	57	0	89	0	140	0	360	0
400	500	63	0	97	0	155	0	400	0

NOTE: Nominal size in mm, upper and lower tolerance shown in microns (.001mm)

SHAFT TOLERANCE CHART
NOMINAL SIZE		c11		d10		e9		f7		g6		h6		k6		n6		p6		s6
>	≤	-	-	-	-	-	-	-	-	-	-	-	-	+	+	+	+	+	+	+	+
0	3	60	120	20	60	14	39	6	16	2	8	0	6	6	0	10	4	12	6	20	14
3	6	70	145	30	78	20	50	10	22	4	12	0	8	9	1	16	8	20	12	27	19
6	10	80	170	40	98	25	61	13	28	5	14	0	9	10	1	19	10	24	15	32	23
10	18	95	205	50	120	32	75	16	32	6	17	0	11	12	1	23	12	29	18	39	28
18	30	110	240	65	149	40	92	20	41	7	20	0	13	15	2	28	15	35	22	48	35
30	40	120	280	80	180	50	112	25	50	9	25	0	16	18	2	33	17	42	26	59	43
40	50	130	290	80	180	50	112	25	50	9	25	0	16	18	2	33	17	42	26	59	43
50	65	140	330	100	220	60	134	30	60	10	29	0	19	21	2	39	20	51	32	72	53
65	80	150	340	100	220	60	134	30	60	10	29	0	19	21	2	39	20	51	32	78	59
80	100	170	390	120	260	72	159	36	71	12	34	0	22	25	3	45	23	59	37	93	71
100	120	180	400	120	260	72	159	36	71	12	34	0	22	25	3	45	23	59	37	101	79
120	140	200	450	145	305	85	185	43	83	14	39	0	25	28	3	52	27	68	43	117	92
140	160	210	460	145	305	85	185	43	83	14	39	0	25	28	3	52	27	68	43	125	100
160	180	230	480	145	305	85	185	43	83	14	39	0	25	28	3	52	27	68	43	133	108
180	200	240	530	170	355	100	215	50	96	15	44	0	29	33	4	60	31	79	50	151	122
200	225	260	550	170	355	100	215	50	96	15	44	0	29	33	4	60	31	79	50	159	130
225	250	280	570	170	355	100	215	50	96	15	44	0	29	33	4	60	31	79	50	169	140
250	280	300	620	190	400	110	240	56	108	17	49	0	32	36	4	66	34	88	56	190	158
280	315	330	650	190	400	110	240	56	108	17	49	0	32	36	4	66	34	88	56	202	170
315	355	360	720	210	440	125	265	62	119	18	54	0	36	40	4	73	37	98	62	226	190
355	400	400	760	210	440	125	265	62	119	18	54	0	36	40	4	73	37	98	62	244	208
400	450	440	840	230	480	135	290	68	131	20	60	0	40	45	5	80	40	108	68	272	232
450	500	480	880	230	480	135	290	68	131	20	60	0	40	45	5	80	40	108	68	292	252

NOTE: Nominal size in mm, upper and lower tolerance shown in microns (.001mm)