| Designations | Tube O.D | A | d |
Width across flat | t | ℓ1 | ℓ | Approx. | |
| D | H1 | H | L | ||||||
|---|---|---|---|---|---|---|---|---|---|
| BCW-06 | 6 | 12 | 4 | 14 | 14 | 7.0 | 11 | 29 | 39.5 |
| BCW-08 | 8 | 14 | 6 | 17 | 17 | 7.0 | 15 | 34 | 44.5 |
| BCW-10 | 10 | 16 | 8 | 17 | 19 | 7.0 | 15 | 34 | 45.5 |
| BCW-12 | 12 | 18 | 10 | 19 | 22 | 7.0 | 15 | 34 | 45.5 |
| BCW-15 | 15 | 21 | 12 | 24 | 27 | 7.5 | 18 | 40 | 52.5 |
| BCW-16 | 16 | 22 | 13 | 27 | 30 | 7.5 | 22 | 44 | 56.5 |
| BCW-18 | 18 | 25 | 14 | 27 | 32 | 8.0 | 22 | 44 | 56.5 |
| BCW-20 | 20 | 28 | 17 | 30 | 36 | 8.0 | 22 | 46 | 58.5 |
| BCW-22 | 22 | 28 | 18 | 32 | 36 | 9.0 | 22 | 46 | 58.5 |
| BCW-25 | 25 | 33 | 20 | 36 | 41 | 10.0 | 26 | 51 | 64.5 |
| BCW-28 | 28 | 36 | 22 | 41 | 46 | 10.0 | 28 | 55 | 69.0 |
| BCW-30 | 30 | 39 | 25 | 41 | 46 | 10.0 | 28 | 55 | 69.5 |
| BCW-32 | 32 | 40 | 26 | 46 | 50 | 11.0 | 28 | 56 | 70.5 |
| BCW-35 | 35 | 43 | 28 | 46 | 55 | 11.0 | 28 | 56 | 73.5 |
| BCW-38 | 38 | 45 | 32 | 50 | 60 | 12.0 | 28 | 58 | 77.5 |
| BCW-40 | 40 | 46 | 32 | 55 | 60 | 12.0 | 30 | 65 | 84.5 |
| BCW-50 | 50 | 57 | 40 | 65 | 75 | 12.0 | 30 | 70 | 91.5 |
| BCW-81 | 10.5 (1/8") | 16 | 8 | 17 | 19 | 7.0 | 15 | 34 | 45.5 |
| BCW-82 | 13.8(1/4") | 19 | 11 | 22 | 24 | 7.5 | 18 | 40 | 52.0 |
| BCW-83 | 17.3(3/8") | 24 | 14 | 27 | 32 | 8.0 | 22 | 44 | 56.5 |
| BCW-84 | 21.7(1/2") | 28 | 18 | 32 | 36 | 9.0 | 22 | 46 | 58.5 |
| BCW-85 | 27.2(3/4") | 33 | 22 | 41 | 46 | 10.0 | 25 | 52 | 66.0 |
| BCW-86 | 34.0(1") | 40 | 28 | 46 | 55 | 11.0 | 28 | 56 | 73.5 |
| BCW-87 | 42.7(1 1/4") | 47 | 34 | 60 | 65 | 12.0 | 28 | 65 | 85.5 |
| BCW-88 | 48.6(1 1/2") | 55 | 40 | 65 | 75 | 12.0 | 30 | 70 | 91.5 |