Metric Screw Thread 1-30 mm diameter

Metric Screw Thread 1 - 30 mm diameter

Pitch P	Thread Per Inch TPI = 1/P
Major diameter screw D MM ISO	Basic thread diameter screw D " UST
Major diameter nut d MM ISO	Basic thread diameter nut d " UST
Pitch diameter D2=d2=D-0.64952*P	Pitch diameter D2= d2=D-0.64952/TPI
Minor diameter screw D1= D-1.227*P	Minor diameter screw D1= d1=D-1.227/TPI
Minor diameter nut d1= D-1.0826*P	Minor diameter nut d1=D-1.0826/TPI
Total Height H = 0.866*P	Total Height H = 0.866/TPI
Screw thread height H = 0.6135*P	Screw thread height H = 0.6135/TPI

Major Diameter				Pitch
ISO 1st pref.	ISO 2nd pref.	ISO 3rd pref.	Non- ISO	ISO Coarse	ISO Fine	French Standard Thread	old Metric Fine	old Metric coarse	L�wen- herz	JIS	DIN Fine	DIN Standard
1				0.25	0.2	(0.25)	0.2		0.25
	1.1			0.25	0.2
1.2				0.25	0.2	(0.25)	0.2		0.25
	1.4			0.30	0.2	(0.3)	0.2		0.30
1.6				0.35	0.2	(0.3)
			1.7				0.2		0.35
	1.8			0.35	0.25	(0.4)
2				0.40		(0.4)	0.25		0.40
	2.2			0.45	0.35	(0.45)
			2.3				0.25		0.40
2.5				0.45	0.35	(0.45)
			2.6				0.35		0.45
3				0.5	0.35	0.5 (0.6)	0.35		0.50	0.6	0.35	0.5
	3.5				0.35		0.35		0.60
4				0.70	0.5	0.75	0.5		0.70	0.75	0.5	0.7
	4.5				0.5		0.5		0.75
5				0.80	0.5	0.75 (0.9)	0.5		0.80	0.9	0.5	0.8
		5.5			0.5				0.90
6				1.00	0.75	1	0.75	1	1.00	1	0.75	1
	7			1.00	0.75	1	0.75	1	1.10
8				1.25	1	1	1	1.25	1.20	1.25	1.0	1.25
		9		1.25		1	1	1.25	1.30
10				1.5	1.25	1.5	1	1.5	1.40	1.25	1.0	1.5
		11		1.5
12				1.75	1.25	1.5	1.5	1.75	1.60	1.5	1.5	1.75
	14			2.0	1.5	2.0	1.5	2	1.80	1.5	1.5	2.0
		15
	16			2.0	1.5	2.0	1.5	2	2.00	1.5	1.5	2.0
		17
	18			2.5	1.5	2.5	1.5	2.5	2.20
20				2.5	1.5	2.5	1.5	2.5	2.40
	22			2.5	1.5	2.5	1.5	2.5	2.80
24				3.0	2.0	3.0	2	3	2.80
		25
		26				3.0			3.20
	27			3.0			2	3
		28				3.0			3.20
30						3.5	2	3.5	3.60