| NOMINAL PIPE SIZE | THICKNESS T | OUT. DIA. OD | IN. DIA. ID | NUMBER OF HOLES | HOLE DIA. HD |
| 1/2 | .500 | 3.5 | .88 | 4 | .62 |
| 3/4 | .500 | 3.88 | 1.09 | 4 | .62 |
| 1 | .500 | 4.25 | 1.36 | 4 | .62 |
| 1 1/4 | .500 | 4.62 | 1.7 | 4 | .62 |
| 1 1/2 | .500 | 5 | 1.95 | 4 | .62 |
| 2 | .500 | 6 | 2.44 | 4 | .75 |
| 2 1/2 | .500 | 7 | 2.94 | 4 | .75 |
| 3 | .500 | 7.5 | 3.57 | 4 | .75 |
| 3 1/2 | .500 | 8.5 | 4.07 | 8 | .75 |
| 4 | .500 | 9 | 4.6 | 8 | .75 |
| 5 | .500 | 10 | 5.66 | 8 | .88 |
| 6 | .500 | 11 | 6.72 | 8 | .88 |
| 8 | .500 | 13.5 | 8.72 | 8 | .88 |
| 10 | .625 | 16 | 10.88 | 12 | 1 |
| 12 | .625 | 19 | 12.88 | 12 | 1 |
| 14 | .625 | 21 | 14.14 | 12 | 1.12 |
| 16 | .630 | 23.5 | 16.16 | 16 | 1.12 |
| 18 | .750 | 25 | 18.18 | 16 | 1.25 |
| 20 | .750 | 27.5 | 20.20 | 20 | 1.25 |
| 24 | 1.000 | 32 | 24.25 | 20 | 1.38 |
| 30 | 1.000 | 38.75 | 30.25 | 28 | 1.38 |
| 36 | 1.250 | 46 | 36.25 | 32 | 1.62 |
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