规格	牙距	m		s		e
		max.	min.	max.	min.	min
	mm	mm	mm	mm	mm	mm
M2	0.4	1.6	1.35	4	3.82	4.32
M2.5	0.45	2	1.75	5	4.82	5.45
M3	0.5	2.4	2.15	5.5	5.32	6.01
M3.5	0.6	2.8	2.55	6	5.62	6.58
M4	0.7	3.2	2.9	7	6.78	7.66
M5	0.8	4	3.7	8	7.78	8.79
M6	1	5	4.7	10	9.78	11.05
M7	1	5.5	5.2	11	10.73	12.12
M8	1.25	6.5	6.14	13	12.73	14.38
M10	1.5	8	7.64	17	16.73	18.9
M12	1.75	10	9.64	19	18.67	21.1
M14	2	11	10.3	22	21.67	24.49
M16	2	13	12.3	24	23.67	26.75
M18	2.5	15	14.3	29	26.16	29.56
M20	2.5	16	14.9	30	29.16	32.95
M22	2.5	18	16.9	32	31	35.03
M24	3	19	17.7	36	35	39.55
M27	3	22	20.7	41	40	45.2
M30	3.5	24	22.7	46	45	50.85
M33	3.5	26	24.7	50	49	55.37
M36	4	29	27.4	55	53.8	60.79
M39	4	31	29.4	60	58.5	66.44
M42	4.5	34	32.4	65	63.1	71.3
M45	4.5	36	34.4	70	68.1	76.95
M48	5	38	36.4	75	73.1	82.6
M52	5	42	40.4	80	78.1	88.25
M56	5.5	45	43.4	85	82.8	93.56