| Designations | Tube O.D | (PT) T | d | Width across flat | t | ℓ1 | ℓ | Approx. | Panel Hole | |||
| D | H1 | H2 | H | L | Drill Size N | Max. Thickness S | ||||||
| BBFC06-01R | 6 | 1/8 | 4 | 17 | 17 | 14 | 7.0 | 32 | 13 | 42.5 | 12.5 | 13 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BBFC08-02R | 8 | 1/4 | 6 | 19 | 19 | 17 | 7.0 | 32 | 18 | 42.5 | 14.5 | 13 |
| BBFC10-02R | 10 | 1/4 | 8 | 19 | 22 | 19 | 7.0 | 32 | 18 | 43.5 | 16.5 | 13 |
| BBFC10-03R | 10 | 3/8 | 8 | 24 | 22 | 19 | 7.0 | 32 | 20 | 43.5 | 16.5 | 13 |
| BBFC12-02R | 12 | 1/4 | 10 | 19 | 24 | 22 | 7.0 | 32 | 18 | 43.5 | 18.5 | 13 |
| BBFC12-03R | 12 | 3/8 | 10 | 24 | 24 | 22 | 7.0 | 32 | 20 | 43.5 | 18.5 | 13 |
| BBFC15-03R | 15 | 3/8 | 12 | 24 | 27 | 27 | 7.5 | 37 | 20 | 49.5 | 22.5 | 15 |
| BBFC15-04R | 15 | 1/2 | 12 | 30 | 27 | 27 | 7.5 | 37 | 25 | 49.5 | 22.5 | 15 |
| BBFC16-04R | 16 | 1/2 | 13 | 30 | 30 | 30 | 7.5 | 37 | 25 | 49.5 | 24.5 | 15 |
| BBFC18-04R | 18 | 1/2 | 14 | 30 | 32 | 32 | 8.0 | 39 | 25 | 51.5 | 26.5 | 15 |
| BBFC20-06R | 20 | 3/4 | 17 | 36 | 32 | 36 | 8.0 | 39 | 27 | 51.5 | 28.5 | 15 |
| BBFC22-06R | 22 | 3/4 | 18 | 36 | 36 | 36 | 9.0 | 39 | 27 | 51.5 | 30.5 | 15 |
| BBFC25-06R | 25 | 3/4 | 20 | 41 | 41 | 41 | 10.0 | 39 | 27 | 52.5 | 35.5 | 15 |
| BBFC25-08R | 25 | 1 | 20 | 46 | 41 | 41 | 10.0 | 39 | 31 | 52.5 | 35.5 | 15 |
| BBFC28-08R | 28 | 1 | 22 | 46 | 46 | 46 | 10.0 | 41 | 31 | 55.0 | 38.5 | 15 |
| BBFC30-08R | 30 | 1 | 25 | 46 | 46 | 46 | 10.0 | 41 | 31 | 55.5 | 40.5 | 15 |
| BBFC30-10R | 30 | 1 1/4 | 25 | 55 | 46 | 46 | 10.0 | 41 | 35 | 55.5 | 40.5 | 15 |
| BBFC32-10R | 32 | 1 1/4 | 26 | 55 | 46 | 50 | 11.0 | 43 | 35 | 57.5 | 42.5 | 15 |