Bolt - Flange, ANSI Class 300 (in) | |||||
|---|---|---|---|---|---|
| Pipe Size (NPS) | Number
of Bolts | Bolt
Diameter | Length of Stud Bolt | Length of Machine Bolt | Wrench Size for Nut |
| 1/2 | 4 | 1/2 | 2 1/2 | 2 1/4 | 7/8 |
| 3/4 | 4 | 5/8 | 3 | 2 1/2 | 1 1/16 |
| 1 | 4 | 5/8 | 3 | 2 1/2 | 1 1/16 |
| 1 1/4 | 4 | 5/8 | 3 1/4 | 2 3/4 | 1 1/16 |
| 1 1/2 | 4 | 3/4 | 3 1/2 | 3 | 1 1/4 |
| 2 | 8 | 5/8 | 3 1/2 | 3 | 1 1/16 |
| 2 1/2 | 8 | 3/4 | 4 | 3 1/4 | 1 1/4 |
| 3 | 8 | 3/4 | 4 1/4 | 3 1/2 | 1 1/4 |
| 3 1/2 | 8 | 3/4 | 4 1/4 | 3 3/4 | 1 1/4 |
| 4 | 8 | 3/4 | 4 1/2 | 3 3/4 | 1 1/4 |
| 5 | 8 | 3/4 | 4 3/4 | 4 1/4 | 1 1/4 |
| 6 | 12 | 3/4 | 4 3/4 | 4 1/4 | 1 1/4 |
| 8 | 12 | 7/8 | 5 1/2 | 4 3/4 | 1 7/16 |
| 10 | 16 | 1 | 6 1/4 | 5 1/2 | 1 5/8 |
| 12 | 16 | 1 1/8 | 6 3/4 | 5 3/4 | 1 13/16 |
| 14 | 20 | 1 1/8 | 7 | 6 1/4 | 1 13/16 |
| 16 | 20 | 1 1/4 | 7 1/2 | 6 1/4 | 2 |
| 18 | 24 | 1 1/4 | 7 3/4 | 6 3/4 | 2 |
| 20 | 24 | 1 1/4 | 8 | 7 1/4 | 2 |
| 22 | 24 | 1 1/2 | 8 3/4 | 7 3/4 | 2 3/8 |
| 24 | 24 | 1 1/2 | 9 | 8 1/4 | 2 3/8 |
- 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.
