Ducommun
screw thread series

Diameter
in mm
Pitch
in mm
3 0.50
4 0.75
5 0.75
6 1.00
7 1.25
8 1.25
9 1.50
10 1.50
11* 1.75
12 1.75
13* 2.00
15 2.00
18 2.50
20 2.50
22 3.00
23? 3.00
25 3.00
28 3.00
30 3.50
32 3.50
33? 3.50
35 4.00
37 4.00
38? 4.00
40 4.00
42 4.50
43? 4.50
45 4.50
47 5.00
48? 5.00
50 5.00
55 5.00
60 6.00
65 6.00
70 7.00
75 7.00
80 7.00

Diameter and pitch data contributed by Job Visser.

Georg W. Berndt.
Die Gewinde; ihre Entwicklung, ihre Messung und ihre Toleranzen.
Berlin: J. Springer, 1925.
Pages 78-79.

X

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