Square Head Plug Dimensions
Nominal Pipe Size | Minimum Length, A | Minimum Square Height, B | Minimum Width Flats, C |
1/8 | 0.38 | 0.25 | 0.28 |
1/4 | 0.44 | 0.25 | 0.38 |
3/8 | 0.50 | 0.31 | 0.44 |
1/2 | 0.56 | 0.38 | 0.56 |
3/4 | 0.62 | 0.44 | 0.62 |
1 | 0.75 | 0.50 | 0.81 |
1 1/4 | 0.81 | 0.56 | 0.94 |
1 1/2 | 0.81 | 0.62 | 1.12 |
2 | 0.88 | 0.69 | 1.31 |
2 1/2 | 1.06 | 0.75 | 1.50 |
3 | 1.12 | 0.81 | 1.69 |
4 | 1.25 | 1.00 | 2.50 |