Thread tables

M	Pitch	Ø D1	Ø D2	Boring
6	1	6	5	6.5
8	1.25	8	6.75	8.5
10	1 oder 1.5	10	9 oder 8.5	10.5
12	1.5	12	10.5	12.5
16	1.5	16	14.5	16.5
20	1.5	20	18.5	20.5
25	1.5	25	23.5	25.5
32	1.5	32	30.5	32.5
40	1.5	40	38.5	40.5
50	1.5	50	48.5	50.5
63	1.5	63	61.5	63.5
75	1.5	75	73.5	75.5
80	2.0	80	78	80.5
90	2.0	90	88	90.5
100	2.0	100	98	100.5

Pg	Pitch	Ø D1	Ø D2	Boring
7	1.27	12.5	11.28	12.7
9	1.41	15.2	13.86	15.4
11	1.41	18.6	17.26	18.8
13.5	1.41	20.4	19.06	20.7
16	1.41	22.5	21.16	22.8
21	1.587	28.3	26.78	28.6
29	1.587	37	35.48	37.4
36	1.587	47	45.48	47.5
42	1.587	54	52.48	54.5
48	1.588	59.3	57.78	59.8
48 NFC	2.309	60	57.78	60.5

NPT	Pitch	External	Threads per inch
1/4 "	1.411	13.616	18
3/8 "	1.411	17.055	18
1/2 "	1.814	21.223	14
3/4 "	1.814	26.568	14
1 "	2.208	33.227	11.5
1 1/4 "	2.208	41.984	11.5
1 1/2 "	2.208	48.053	11.5
2 "	2.208	60.091	11.5
2 1/2 "	3.175	72.699	8
3 "	3.175	88.608	8
3 1/2 "	3.175	100.013	8

G	Pitch	Ø D1	Ø D2	Boring
2 "	2.309	59.614	56.656	60.2
2 1/2 "	2.309	75.184	72.226	75.7
3 "	2.309	87.884	84.926	88.5
3 1/2 "	2.309	100.33	97.372	101
4 "	2.309	113.03	110.072	114