Engineering Release

Reference values of shaft tolerance and hole tolerance commonly used in machining

Author： Release time：2020-09-24 Browse：

In the machining process, the commonly used reference values of shaft tolerance and hole tolerance are as follows:

Shaft tolerance form (ISO) units：um
≥	<	c9	d8	e7	e8	f7	g6	h5	h6	h7	h8	js6	js7	k6	m6	n6	p6	p7	r6	s6
—	3	-60	-20	-14	-14	-6	-2	0	0	0	0	±3	±5	6	8	10	12	16	16	20
—	3	-85	-34	-24	-28	-16	-8	-4	-6	-10	-14	±3	±5	0	2	4	6	6	10	14
3	6	-70	-30	-20	-20	-10	-4	0	0	0	0	±4	±6	9	12	16	20	24	23	27
3	6	-100	-48	-32	-38	-22	-12	-5	-8	-12	-18	±4	±6	1	4	8	12	12	15	19
6	10	-80	-40	-25	-25	-13	-5	0	0	0	0	±4.5	±7	10	15	19	24	30	28	32
6	10	-116	-62	-40	-47	-28	-14	-6	-9	-15	-22	±4.5	±7	1	6	10	15	15	19	23
10	18	-95	-50	-32	-32	-16	-6	0	0	0	0	±5.5	±9	12	18	23	29	36	34	39
10	18	-138	-77	-50	-59	-34	-17	-8	-11	-18	-27	±5.5	±9	1	7	12	18	18	23	28
18	24	-110	-65	-40	-40	-20	-7	0	0 -13	0	0	±6.5	±10	15	21	28	35	43	41	48
24	30	-162	-98	-61	-73	-41	-20	-9	0 -13	-21	-33	±6.5	±10	2	8	15	22	22	28	35
30	40	-120	-80	-50	-50	-25	-9	0	0	0	0	±8	±12	18	25	33	42	51	50	59
30	40	-182	-119	-75	-89	-50	-25	-11	-16	-25	-39			2	9	17	26	26	34	43
40	50	-130
40	50	-192
50	65	-140	-100	-60	-60	-30	-10	0	0	0	0	±9.5	±15	21	31	39	51	62	60	72
50	65	-214	-146	-90	-106	-60	-29	-13	-19	-30	-46			2	11	20	32	32	41	53
65	80	-150																	62	78
65	80	-224																	43	59
80	100	-170	-120	-72	-72	-36	-12	0	0	0	0	±11	±17	25	35	45	59	72	73	93
80	100	-257	-174	-107	-126	-71	-34	-15	-22	-35	-54			3	13	23	37	37	51	71
100	120	-180																	76	101
100	120	-267																	54	79
120	140	-200	-145	-85	-85	-43	-14	0	0	0	0	±12.5	±20	28	40	52	68	83	88	117
120	140	-300	-208	-125	-148	-83	-39	-18	-25	-40	-63			3	15	27	43	43	63	92
140	160	-210																	155	125
140	160	-310																	155	100
160	180	-230																	93	133
160	180	-330																	68	108
180	200	-240	-170	-100	-100	-50	-15	0	0	0 -46	0	±14.5	±23	33	46	60	79	96	106	151
180	200	-355	-242	-146	-172	-96	-44	-20	-29		-72			14	17	31	50	50	77	122
200	225	-260																	109	159
200	225	-375																	80	130
225	250	-280																	113	169
225	250	-395																	84	140
250	280	-300	-190	-110	-110	-56	-17	0	0 -32	0	0	±16	±26	36	52	66	88	108	126	190
250	280	-430	-271	-162	-191	-108	-49	-23		-52	-81			4	20	34	56	56	94	158
280	315	-330																	130	202
280	315	-460																	98	170
315	355	-360	-210	-125	-125	-62	-18	0	0	0	0	±18	±28	40	57	73	98	119	114	226
315	355	-500	-299	-182	-214	-119	-54	-25	-36	-57	-89			4	21	37	62	62	108	190
355	400	-400																	105	224
355	400	540																	114	208
400	450	-440	-230	-135	-135	-68	-20	0	0	0	0	±20	±31	45	63	80	108	131	166	272
400	450	-540	-327	-198	-232	-131	-60	-27	-40	-63	-97			5	23	40	68	68	126	232
450	500	-480																	172	292
450	500	-635																	132	252
Hole tolerance (ISO)
≥	<	B10	C9	D8	E7	E8	F7	G7	H6	H7	H8	JS7	K7	M7	N7	P7	R7	S7	T7
—	3	180	85	34	24	28	16	12	6	10	14	±5	0	-2	-4	-6	-10	-14	—
—	3	140	60	20	14	14	6	2	0	0	0	±5	-10	-12	-14	-16	-20	-24	—
3	6	188	100	48	32	38	22	16	8	12	18	±6	3	0	-4	-8	-11	-15	—
3	6	140	70	30	20	20	10	4	0	0	0	±6	-9	-12	-16	-20	-23	-27	—
6	10	208	116	62	40	47	28	20	9	15	22	±7	5	0	-4	-9	-13	-17	—
6	10	150	80	40	25	25	13	5	0	0	0	±7	-10	-15	-19	-24	-28	-32	—
10	14	200	138	77	50	59	34	24	11	18	27	±9	6	0	-5	-11	-16	-21	—
14	18	150	95	50	32	32	16	6	0	0	0	±9	-12	-18	-23	-29	-34	-39	—
18	24	244	162	98	61	73	41	28	13	21	33	±10	6	0	-7	-14	-20	-27	—
24	30	160	110	65	40	40	20	7	0	0	0		-15	-21	-28	-35	-41	-48	-33
24	30																		-54
30	40	270	182	119	75	89	50	34	16	25	39	±12	7	0	-8	-17	-25	-34	-39
30	40	170	120	80	50	50	25	9	0	0	0		-18	-25	-33	-42	-50	-59	-64
40	50	280	192																-45
40	50	180	130																-70
50	65	310	214	146	90	106	60	40	19	30	46	±15	9	0	-9	-21	-30	-42	-55
50	65	190	140	100	60	60	30	10	0	0	0		-21	-30	-39	-51	-60	-72	-85
65	80	320	224														-32	-48	-64
65	80	200	150														-62	-78	-94
80	100	360	257	174	107	125	71	47	22	35	54	±17	10	0	-10	-24	-38	-58	-78
80	100	220	170	120	72	72	36	12	0	0	0		-25	-35	-45	-59	-73	-93	-113
100	120	380	267														-41	-66	-91
100	120	240	180														-76	-101	-126
120	140	420	300	208	125	148	83	54	25	40	63	±20	12	0	-12	-28	-48	-77	-107
120	140	260	200	145	85	85	43	14	0	0	0		-28	-40	-52	-68	-88	-117	-147
140	160	440	310														-50	-85	-119
140	160	280	210														-90	-125	-159
160	180	470	330														-53	-93	-131
160	180	310	230														-93	-133	-171
180	200	525	355	242	146	172	96	61	29	46	72	±23	13	0	-14	-33	-60	-105	-149
180	200	340	240	170	100	100	50	15	0	0	0		-33	-46	-60	-79	-106	-151	-195
200	225	565	375														-63	-113	-163
200	225	380	260														-109	-159	-209
225	250	605	395														-67	-123	-179
225	250	420	280														-113	-169	-225
250	280	690	430	271	162	191	108	69	32	52	81	±26	16	0	-80	-36	-74	-138	-198
250	280	480	300	190	110	110	56	17	0	0	0		-36	-52		-88	-126	-190	-250
280	315	750	460														-78	-150	-220
280	315	540	330														-130	-202	-272
315	355	830	500	299	182	214	119	75	36	57	89	±28	17	0	-16	-41	-87	-169	-247
315	355	600	360	210	125	125	62	18	0	0	0		-40	-57	-73	-98	-144	-226	-304
355	400	910	540														-93	-187	-273
355	400	680	400														-150	-244	-330
400	450	1010	595	327	198	232	131	83	40	63	97	±31	18	0	-17	-45	-103	-209	-307
400	450	760	440	230	135	135	135	20	0	0	0		-45	-63	-80	-108	-166	-272	-370
450	500	1090	635														-109	-229	-337
450	500	840	480														-172	-292	-400

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Reference values of shaft tolerance and hole tolerance commonly used in machining