Bolt - Flange, ANSI Class 2500 (in) | ||||
|---|---|---|---|---|
| Pipe Size (NPS) | Number
of Bolts | Bolt
Diameter | Length of Stud Bolt | Wrench Size for Nut |
| 1/2 | 4 | 3/4 | 4 3/4 | 1 1/4 |
| 3/4 | 4 | 3/4 | 5 | 1 1/4 |
| 1 | 4 | 7/8 | 5 1/2 | 1 7/16 |
| 1 1/4 | 4 | 1 | 6 | 1 5/8 |
| 1 1/2 | 4 | 1 1/8 | 6 3/4 | 1 13/16 |
| 2 | 8 | 1 | 7 | 1 5/8 |
| 2 1/2 | 8 | 1 1/8 | 7 3/4 | 1 13/16 |
| 3 | 8 | 1 1/4 | 8 3/4 | 2 |
| 3 1/2 | - | - | - | - |
| 4 | 8 | 1 1/2 | 10 | 2 3/8 |
| 5 | 8 | 1 3/4 | 11 3/4 | 3 1/8 |
| 6 | 8 | 2 | 13 1/2 | 3 1/8 |
| 8 | 12 | 2 | 15 | 3 1/8 |
| 10 | 12 | 2 1/2 | 19 1/4 | 3 7/8 |
| 12 | 12 | 2 3/4 | 21 1/4 | 4 1/4 |
- Stud bolts in accordance with ANSI/ASME B16.5.
- A stud is threaded either on both ends or the full length of the stud.
- Studs both have American National Course Threads.
- Length of stud bolts do not include the height of the point.
- Length of stud bolts when used with lap joint flanges will depend upon the thickness of the lap joint stub end.
