#1500 Flange Bolt Chart
| Nominal Pipe Size (inches) | (inches) | Number of Studs | Diameter of Studs (inches) | Length of Stud - RF (inches) | Length of Stud - RTJ (inches) |
|---|---|---|---|---|---|
| 1/2 | 1-1/4 | 4 | 3/4 | 4-1/4 | 4-1/4 |
| 3/4 | 1-1/4 | 4 | 3/4 | 4-1/2 | 4-1/2 |
| 1 | 1-7/16 | 4 | 7/8 | 5 | 5 |
| 1-1/4 | 1-7/16 | 4 | 7/8 | 5 | 5 |
| 1-1/2 | 1-5/8 | 4 | 1 | 5-1/2 | 5-1/2 |
| 2 | 1-7/16 | 8 | 7/8 | 5-3/4 | 5-3/4 |
| 2-1/2 | 1-5/8 | 8 | 1 | 6-1/4 | 6-1/4 |
| 3 | 1-13/16 | 8 | 1-1/8 | 7 | 7 |
| 4 | 2 | 8 | 1-1/4 | 7-3/4 | 7-3/4 |
| 5 | 2-3/8 | 8 | 1-1/2 | 9-3/4 | 9-3/4 |
| 6 | 2-3/16 | 12 | 1-3/8 | 10-1/4 | 10-1/2 |
| 8 | 2-9/16 | 12 | 1-5/8 | 11-1/2 | 12-3/4 |
| 10 | 2-15/16 | 12 | 1-7/8 | 13-1/4 | 13-1/2 |
| 12 | 3-1/8 | 16 | 2 | 14-3/4 | 15-1/4 |
| 14 | 3-1/2 | 16 | 2-1/4 | 16 | 16-3/4 |
| 16 | 3-7/8 | 16 | 2-1/2 | 17-1/2 | 18-1/2 |
| 18 | 4-1/4 | 16 | 2-3/4 | 19-1/2 | 20-3/4 |
| 20 | 4-5/8 | 16 | 3 | 21-1/4 | 22-1/4 |
| 24 | 5-3/8 | 16 | 3-1/2 | 24-1/4 | 25-1/2 |
