Thread Size in mm	Engagement Length		Major Diameter (d)		Pitch Diameter (d2)
	From	To	Max	Min	Max	Min
M1	0,6	1,7	1,000	0,933	0,838	0,785
M1.2	0,6	1,7	1,200	1,133	0,938	0,885
M1.4	0, 7	2	1,400	1,325	1,205	1,149
M1.6	0, 8	2, 6	1,581	1,496	1,354	1,291
M1.8	0, 8	2, 6	1,781	1,696	1,554	1,491
M2	1	3	1,981	1,886	1,721	1,654
M2.5	1, 3	3, 8	2,480	2,380	1,888	1,817
M3	1, 5	4, 5	2,980	2,874	2,655	2,580
M3.5	1, 7	5	3,479	3,354	3,089	3,004`
M4	2	6	3,978	3,838	3,523	3,433
M5	2, 5	7, 5	4,976	4,826	4,456	4,361
M6	3	9	5,974	5,794	5,324	5,212
M7	3	3	6,974	6,794	6,324	6,212
M8	4	12	7,972	7,760	7,160	7,042
M10	5	15	9,968	9,732	8,994	8,862
M12	6	18	11,966	11,701	10,829	10,679
M14	8	24	13,962	13,682	12,663	12,503
M16	8	24	15,962	15,682	14,663	14,503
M18	10	30	17,958	17,623	16,334	16,164
M20	10	30	19,958	19,623	18,334	18,164
M22	10	30	21,958	21,623	20,334	20,164
M24	12	36	23,952	23,577	22,003	21,803
M27	12	36	26,952	26,577	25,003	24,803
M30	15	45	29,947	29,522	27,674	27,462
M33	15	45	32,947	32,522	30,674	30,462
M36	18	53	35,940	35,465	33,342	33,118
M39	18	53	38,940	38,465	36,342	36,118

Limits For Metric Fine Threads According To ISO 965

Thread Size in mm	Engagement Length		Major Diameter (d)		Pitch Diameter (d2)
	Over	Upto & incl.	Max	Min	Max	Min
M8 X 1	3	9	7,974	7,794	7,324	7,212
M10 X 1.25	4	12	9,972	9,760	9,160	9,042
M12 X 1.25	4, 5	13	11,972	11,760	11,160	11,028
M14 X 1.5	5, 6	16	13,968	13,732	12,994	12,854
M16 X 1.5	5, 6	16	15,968	15,732	14,994	14,854
M18 X 1.5	5, 6	16	17,968	17,762	16,994	16,854
M20 X 1.5	5, 6	16	19,968	19,732	18,994	18,854
M22 X 1.5	5, 6	16	21,968	21,732	20,994	20,854
M24 X 2	8, 5	25	23,962	23,682	22,663	22,493
M27 X 2	8, 5	25	26,962	26,682	25,663	25,493
M30 X 2	8, 5	25	29,962	29,682	28,663	28,493
M33 X 2	8, 5	25	32,962	32,682	31,663	31,493
M36 X 3	12	36	35,952	35,577	34,003	33,803
M39 X 3	12	36	38,952	38,577	37,003	36,803