Form AD & AD/B
| Machine Design | TAPER ISO | D | D1 | D2 | L1 | L2 | L3 | d. | B | G | e1 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BT30 | 30 | 31.75 | 46.0 | 56.14 | 48.4 | 13.6 | 22 | 8 | 16.1 | M12 | 20 |
| BT35 | 35 | 38.1 | 53.0 | 61.97 | 56.4 | 14.6 | 24 | 9 | 16.1 | M12 | - |
| BT40 | 40 | 44.45 | 63.0 | 75.68 | 65.4 | 16.6 | 27 | 10 | 16.1 | M16 | 27 |
| BT50 | 50 | 69.85 | 100.0 | 119.02 | 101.8 | 23.2 | 38 | 15 | 25.7 | M24 | 42 |