diameter | number of | diameter | stud bolt length | |||
pipe size | outside | bolt circle | bolt hole | bolt holes | of bolts | 1/4" raised face |
0.50 | 4.75 | 3.25 | 0.875 | 4 | 0.750 | 4.25 |
0.75 | 5.12 | 3.50 | 0.875 | 4 | 0.750 | 4.50 |
1.00 | 5.88 | 4.00 | 1.000 | 4 | 0.875 | 5.00 |
1.25 | 6.25 | 4.38 | 1.000 | 4 | 0.875 | 5.00 |
1.50 | 7.00 | 4.88 | 1.125 | 4 | 1.000 | 5.50 |
2.00 | 8.50 | 6.50 | 1.000 | 8 | 0.875 | 5.75 |
2.50 | 9.62 | 7.50 | 1.125 | 8 | 1.000 | 6.25 |
3.00 | 10.50 | 8.00 | 1.250 | 8 | 1.125 | 7.00 |
4.00 | 12.25 | 9.50 | 1.375 | 8 | 1.250 | 7.75 |
5.00 | 14.75 | 11.50 | 1.625 | 8 | 1.500 | 9.75 |
6.00 | 15.50 | 12.50 | 1.500 | 12 | 1.375 | 10.25 |
8.00 | 19.00 | 15.50 | 1.750 | 12 | 1.625 | 11.50 |
10.00 | 23.00 | 19.00 | 2.000 | 12 | 1.875 | 13.25 |
12.00 | 26.50 | 22.50 | 2.125 | 16 | 2.000 | 14.75 |
14.00 | 29.50 | 25.00 | 2.375 | 16 | 2.250 | 16.00 |
16.00 | 32.50 | 27.75 | 2.625 | 16 | 2.500 | 17.50 |
18.00 | 36.00 | 30.50 | 2.875 | 16 | 2.750 | 19.50 |
20.00 | 38.75 | 32.75 | 3.125 | 16 | 3.000 | 21.25 |
24.00 | 46.00 | 39.00 | 3.625 | 16 | 3.500 | 24.25 |