| Designations | Tube O.D | (PT) T | d | Basic gauge length | Width across flat | t | A | ℓ/t | ℓ1 | ||
| D | a | H1 | H | L | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| BLMC04-01R | 4 | 1/8 | 2.5 | 3.97 | 12 | 12 | 6.0 | 10.5 | 46 | 30.0 | 49.5 |
| BLMC06-01R | 6 | 1/8 | 4 | 3.97 | 14 | 14 | 7.0 | 10.5 | 63 | 41.0 | 69.5 |
| BLMC08-02R | 8 | 1/4 | 6 | 6.01 | 17 | 17 | 7.0 | 14.0 | 70 | 45.0 | 74.5 |
| BLMC10-02R | 10 | 1/4 | 7 | 6.01 | 17 | 19 | 7.0 | 14.0 | 71 | 46.0 | 76.5 |
| BLMC10-03R | 10 | 3/8 | 8 | 6.35 | 19 | 19 | 7.0 | 17.5 | 72 | 46.5 | 77.0 |
| BLMC12-02R | 12 | 1/4 | 7 | 6.01 | 19 | 22 | 7.0 | 14.0 | 71 | 46.0 | 76.5 |
| BLMC12-03R | 12 | 3/8 | 9 | 6.35 | 19 | 22 | 7.0 | 17.5 | 72 | 46.5 | 77.0 |
| BLMC15-03R | 15 | 3/8 | 9 | 6.35 | 24 | 27 | 7.5 | 17.5 | 81 | 52.5 | 87.0 |
| BLMC15-04R | 15 | 1/2 | 12 | 8.16 | 24 | 27 | 7.5 | 22.0 | 86 | 56.0 | 90.5 |
| BLMC16-04R | 16 | 1/2 | 12 | 8.16 | 27 | 30 | 7.5 | 22.0 | 86 | 56.0 | 90.5 |
| BLMC18-04R | 18 | 1/2 | 12 | 8.16 | 27 | 32 | 8.0 | 22.0 | 86 | 56.0 | 90.5 |
| BLMC20-06R | 20 | 3/4 | 16 | 9.53 | 30 | 36 | 8.0 | 27.5 | 92 | 58.5 | 95.0 |
| BLMC22-06R | 22 | 3/4 | 16 | 9.53 | 32 | 36 | 9.0 | 27.5 | 93 | 59.5 | 96.0 |
| BLMC25-08R | 25 | 1 | 20 | 10.39 | 36 | 41 | 10.0 | 34.0 | 99 | 63.5 | 102.0 |
| BLMC28-08R | 28 | 1 | 22 | 10.39 | 41 | 46 | 10.0 | 34.0 | 104 | 66.5 | 107.5 |
| BLMC30-10R | 30 | 1 1/4 | 25 | 12.70 | 46 | 46 | 10.0 | 42.5 | 109 | 68.5 | 111.0 |
| BLMC32-10R | 32 | 1 1/4 | 26 | 12.70 | 46 | 50 | 11.0 | 42.5 | 110 | 69.5 | 112.0 |
| BLMC81-02R | 10.5 (1/8") | 1/4 | 7 | 6.01 | 17 | 19 | 7.0 | 14.0 | 71 | 46.0 | 76.5 |
| BLMC82-03R | 13.8 (1/4") | 3/8 | 9 | 6.35 | 22 | 24 | 7.5 | 17.5 | 81 | 52.5 | 86.5 |
| BLMC83-03R | 17.3 (3/8") | 3/8 | 9 | 6.35 | 27 | 32 | 8.0 | 17.5 | 81 | 52.5 | 87.0 |
| BLMC83-04R | 17.3 (3/8") | 1/2 | 12 | 8.16 | 27 | 32 | 8.0 | 22.0 | 86 | 56.0 | 90.5 |
| BLMC84-06R | 21.7 (1/2") | 3/4 | 16 | 9.53 | 32 | 36 | 9.0 | 27.5 | 93 | 59.5 | 96.0 |
| BLMC85-08R | 27.2 (3/4") | 1 | 22 | 10.39 | 41 | 46 | 10.0 | 34.0 | 104 | 66.5 | 107.5 |