diameter | number of | diameter | stud bolt length | |||
pipe size | outside | bolt circle | bolt hole | bolt holes | of bolts | 1/4" raised face |
0.50 | 3.75 | 2.62 | 0.625 | 4 | 0.500 | 3.00 |
0.75 | 4.62 | 3.25 | 0.750 | 4 | 0.625 | 3.50 |
1.00 | 4.88 | 3.50 | 0.750 | 4 | 0.625 | 3.50 |
1.25 | 5.25 | 3.88 | 0.750 | 4 | 0.625 | 3.75 |
1.50 | 6.12 | 4.50 | 0.875 | 4 | 0.750 | 4.25 |
2.00 | 6.50 | 5.00 | 0.750 | 8 | 0.625 | 4.25 |
2.50 | 7.50 | 5.88 | 0.875 | 8 | 0.750 | 4.75 |
3.00 | 8.25 | 6.62 | 0.875 | 8 | 0.750 | 5.00 |
3.50 | 9.00 | 7.25 | 1.000 | 8 | 0.875 | 5.50 |
4.00 | 10.75 | 8.50 | 1.000 | 8 | 0.875 | 5.75 |
5.00 | 13.00 | 10.50 | 1.125 | 8 | 1.000 | 6.50 |
6.00 | 14.00 | 11.50 | 1.125 | 12 | 1.000 | 6.75 |
8.00 | 16.50 | 13.75 | 1.250 | 12 | 1.125 | 7.50 |
10.00 | 20.00 | 17.00 | 1.375 | 16 | 1.250 | 8.50 |
12.00 | 22.00 | 19.25 | 1.375 | 20 | 1.250 | 8.75 |
14.00 | 23.75 | 20.75 | 1.500 | 20 | 1.375 | 9.25 |
16.00 | 27.00 | 23.75 | 1.625 | 20 | 1.500 | 10.00 |
18.00 | 29.25 | 25.75 | 1.750 | 20 | 1.625 | 10.75 |
20.00 | 32.00 | 28.50 | 1.750 | 24 | 1.625 | 11.25 |
24.00 | 37.00 | 33.00 | 2.000 | 24 | 1.875 | 13.00 |