Around 1875. Thread angle about 36°52″ with 1/8 rounding.
Diameter in mm |
Pitch in mm |
---|---|
5 | 1.0 |
6 | 1.0 |
7 | 1.0 |
7 | 1.5 |
8 | 1.5 |
10 | 1.5 |
12 | 1.5 |
15 | 2.0 |
18 | 2.0 |
20 | 2.0 |
23 | 2.5 |
25 | 3.0 |
28 | 3.0 |
30 | 3.0 |
32 | 3.0 |
35 | 3.5 |
38 | 3.5 |
40 | 4.0 |
45 | 4.0 |
50 | 4.0 |
55 | 4.0 |
Sorry. No information on contributors is available for this page.
Copyright © 2013 Sizes, Inc. All rights reserved.
Last revised: 14 November 2013.