ISO 2901 - Metric Trapezoidal Screw Threads
Dimensions of ISO metric trapezoidal screw threads.
Dimensions of ISO metric trapezoidal screw threads are indicated in the table below.
| Outside Diameter Screw (mm) | Pitch (mm) | Inside Diameter Nut (mm) | Crest Nut (mm) | Outside Clearance (mm) | Inside Clearance (mm) |
|---|---|---|---|---|---|
| 8 | 1.5 | 6.5 | 0.55 | 0.15 | 0.15 |
| 10 | 1.5 | 8.5 | 0.55 | 0.15 | 0.15 |
| 10 | 2 | 8.0 | 0.73 | 0.25 | 0.25 |
| 12 | 2 | 10.0 | 0.73 | 0.25 | 0.25 |
| 12 | 3 | 9.0 | 1.10 | 0.25 | 0.25 |
| 16 | 2 | 14.0 | 0.723 | 0.25 | 0.25 |
| 16 | 4 | 12.0 | 1.46 | 0.25 | 0.25 |
| 20 | 2 | 18.0 | 0.73 | 0.25 | 0.25 |
| 20 | 4 | 16.0 | 1.46 | 0.25 | 0.25 |
| 24 | 3 | 21.0 | 1.10 | 0.25 | 0.25 |
| 24 | 5 | 19.0 | 1.83 | 0.25 | 0.25 |
Related Topics
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Threads
Thread data - metric, unified, ACME and others.
Related Documents
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ANSI/ASME B1.5 - ACME Screw Threads
Acme trapezoidal threads. -
British Standard Cycle Threads
British Standard Cycle is a British Imperial screw thread standard. -
ISO 724 - Metric Threads
Dimensions of metric threads according ISO 724. -
UNC and UNF - Unified Coarce and Unified Fine Inch Threads
ANSI/ASME B1.1 Unified National Thread - UNC Coarse series and UNF Fine series.
