Model | BT-30 | BT-40 | BT-50 |
L | 250 | 300 | 300 |
G | M12 | M16 | M24 |
ÆD | 30 | 40 | 40 |
锥度密合度 | 85% | 85% | 85% |
真圆度 | <0.003 | <0.003 | <0.003 |
同心度 | <0.005 | <0.005 | <0.005 |
备注 | 木盒包装 |