上海吉都国际贸易有限公司

底孔直径（切削螺纹）-M

M ISO Metric Coarse Threads 6H(5H), DIN13 ；公制粗牙螺纹
ø	牙距=P	Nut Thread Minor-ø 内螺纹小径		预钻孔径mm
ø	牙距=P	Nut Thread Minor-ø 内螺纹小径
d1	mm 毫米	mini 最小	maxi 最大
M 0.5	0.125	0.380	0.435	0.41
M 0.6	0.150	0.456	0.522	0.50
M 0.7	0.175	0.532	0.605	0.58
M 0.8	0.200	0.608	0.685	0.66
M 0.9	0.225	0.684	0.765	0.74
M 1	0.25	0.729	0.785	0.75
M 1.1	0.25	0.829	0.885	0.85
M 1.2	0.25	0.929	0.985	0.95
M 1.4	0.30	1.075	1.142	1.10
M 1.6	0.35	1.221	1.321	1.25
M 1.7	0.35	1.321	1.421	1.35
M 1.8	0.35	1.421	1.521	1.45
M 2	0.40	1.567	1.679	1.60
M 2.2	0.45	1.713	1.838	1.75
M 2.3	0.40	1.867	1.979	1.90
M 2.5	0.45	2.013	2.138	2.05
M 2.6	0.45	2.113	2.238	2.15
M 3	0.50	2.459	2.599	2.50
M 3.5	0.60	2.850	3.010	2.90
M 4	0.70	3.242	3.422	3.30
M 4.5	0.75	3.688	3.878	3.75
M 5	0.80	4.134	4.334	4.20
M 6	1.00	4.917	5.153	5.00
M 7	1.00	5.917	6.153	6.00
M 8	1.25	6.647	6.912	6.80
M 9	1.25	7.647	7.912	7.80
M 10	1.50	8.376	8.676	8.50
M 11	1.50	9.376	9.676	9.50
M 12	1.75	10.106	10.441	10.20
M 14	2.00	11.835	12.210	12.00
M 16	2.00	13.835	14.210	14.00
M 18	2.50	15.294	15.744	15.50
M 20	2.50	17.294	17.744	17.50
M 22	2.50	19.294	19.744	19.50
M 24	3.00	20.752	21.252	21.00
M 27	3.00	23.752	24.252	24.00
M 30	3.50	26.211	26.771	26.50
M 33	3.50	29.211	29.771	29.50
M 36	4.00	31.670	32.270	32.00
M 39	4.00	34.670	35.270	35.00
M 42	4.50	37.129	37.799	37.50
M 45	4.50	40.129	40.799	40.50
M 48	5.00	42.587	43.297	43.00
M 52	5.00	46.587	47.297	47.00
M 56	5.50	50.046	50.796	50.50
M 60	5.50	54.046	54.796	54.50
M 64	6.00	57.505	58.305	58.00
M 68	6.00	61.505	62.305	62.00