weight
	size	d			h=n		H
			min	max			min	max
M3	3	3.1	3.4	1	±0.1	2	2.36	0.105
M3.5	3.5	3.6	3.9	1		2	2.36	0.114
M4	4	4.1	4.4	1.2		2.4	2.83	0.195
M5	5	5.1	5.4	1.6		3.2	3.78	0.37
M6	6	6.1	6.5	1.6		3.2	3.78	0.425
M8	8	8.1	7.5	2		4	4.72	1.26
M10	10	10.2	10.7	2.5	±0.15	5	5.9	1.96
M12	12	12.2	12.7	2.5		5	5.9	2.28
M14	14	14.2	14.7	3	±0.2	6	7.1	3.8
M16	16	16.2	17	3.5		7	8.25	5.94
M18	18	18.2	19	3.5		7	8.25	6.6
M20	20	20.2	21.2	4.5		9	10.6	12.3
M22	22	22.5	23.5	4.5		9	10.6	13.6
M24	24	24.5	25.5	5		10	11.8	18.1
M27	27	27.5	28.5	5		10	11.8	20.6
M30	30	30.5	31.7	6		12	14.2	32
M33	33	33.5	34.7	6		12	14.2	35
M36	36	36.5	37.7	7	±0.25	14	16.5	52.5
M42	42	42.5	43.7	8		16	18.9	80
M48	48	49	50.5	8		16	18.9	90