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Dimensions Stud Bolts for RF-RTJ flanges ASME B16.5 Class 600 |
| NPS | DIA bolts (in) |
Length RF |
Length RTJ |
Number of bolts |
| 1/2 | 1/2 | 75 | 75 | 4 |
| 3/4 | 5/8 | 90 | 90 | 4 |
| 1 | 5/8 | 90 | 90 | 4 |
| 1.1/4 | 5/8 | 95 | 95 | 4 |
| 1.1/2 | 3/4 | 110 | 110 | 4 |
| 2 | 5/8 | 110 | 110 | 8 |
| 2.1/2 | 3/4 | 120 | 120 | 8 |
| 3 | 3/4 | 125 | 125 | 8 |
| 3.1/2 | 7/8 | 140 | 140 | 8 |
| 4 | 7/8 | 145 | 145 | 8 |
| 5 | 1 | 165 | 165 | 8 |
| 6 | 1 | 170 | 170 | 12 |
| 8 | 1.1/8 | 190 | 195 | 12 |
| 10 | 1.1/4 | 215 | 215 | 16 |
| 12 | 1.1/4 | 220 | 220 | 20 |
| 14 | 1.3/8 | 235 | 235 | 20 |
| 16 | 1.1/2 | 255 | 255 | 20 |
| 18 | 1.5/8 | 275 | 275 | 20 |
| 20 | 1.5/8 | 285 | 290 | 24 |
| 24 | 1.7/8 | 330 | 335 | 24 |
General notes..
- Dimensions are in millimeters unless otherwise indicated.
- Length dimensional tolerances for all Stud Bolts..
length to 12 inch tolerance = ± 1.6 mm
length over 12 inch to 18 inch tolerance = ± 3.2 mm
length over 18 inch tolerance = ± 6.4 mm - The length of the Stud Bolt does not include the height of the chamfers (points).
Studs are measured parallel to the axis (L) from the first to the thread without the chamfers (points). S = free threads equals 1/3 time bolt dia
Hex bolts are measured from under the head to the end of the bolt
