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| International Standard List: Inch screw threads |
| Title | Standard No. | Implemented On |
| Dryseal pipe threads with the thread angle of 60 degrees | GB/T 27944-2011 | 2012-10-1 |
| Pipe threads with the thread angle of 60 degrees where pressure-tight joints are made on threads | GB/T 12716-2011 | 2012-10-1 |
| Unified screw threads - Tolerances | GB/T 20666-2006 | 2007-7-1 |
| Unified screw threads - General plan | GB/T 20670-2006 | 2007-7-1 |
| Unified screw threads - Limits of sizes | GB/T 20667-2006 | 2007-7-1 |
| Unified screw threads - Basic dimensions | GB/T 20668-2006 | 2007-7-1 |
| Unified screw threads - Profiles | GB/T 20669-2006 | 2007-7-1 |
| Pipe threads with 55 degree thread angle where pressure-tight joints are not made on the threads | GB/T 7307-2001 | 2001-9-1 |
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