Every angle head Mongtec publishes in the BT40 class can be built on a CAT40 V-flange shank instead. The 7/24 taper is the same; the flange form and the pull stud (retention knob) thread are what change. 51 models are listed below. Mongtec Precision is a Taiwanese brand, designed and engineered in Taichung, Taiwan.
| Model | Max. RPM | Chucking range | Torque | Through dia. |
|---|---|---|---|---|
| BT40QDC5MQ50 | 6000 RPM | D1-D5 | 5.6 Nm | D40 |
| BT40QDC6/Square | 6000 RPM | D1-D6 | 10.8 Nm | D35 |
| BT40QDC6Q66 | 6000 RPM | D1-D6 | 10.8 Nm | D35 |
| BT40QDC7Q18 | 6000 RPM | D1-D7 | 10.8 Nm | D50 |
| BT40QDC7Q35 | 6000 RPM | D1-D7 | 10.8 Nm | D50 |
| BT40QDC7Q52 | 6000 RPM | D1-D7 | 10.8 Nm | D50 |
| BT40QDC8QD45 | 6000 RPM | D4-D10 | 23 Nm | D45 |
| BT40QDC10 | 6000 RPM | D4-D10 | 23 Nm | D51 |
| BT40QER11Q90 | 8000 RPM | D1-D7 | 10.8 Nm | D75 |
| BT40QER11Q140 | 8000 RPM | D1-D7 | 10.8 Nm | D75 |
| BT40QER11Q190 | 8000 RPM | D1-D7 | 10.8 Nm | D75 |
| BT40QER16Q66 | 8000 RPM | D1-D10 | 18 Nm | D100 |
| BT40QER16Q110 | 8000 RPM | D1-D10 | 18 Nm | D100 |
| BT40QER16Q160 | 8000 RPM | D1-D10 | 18 Nm | D100 |
| BT40QER16Q210 | 8000 RPM | D1-D10 | 18 Nm | D100 |
| BT40QER16Q260 | 8000 RPM | D1-D10 | 18 Nm | D100 |
| BT40QER16Q2X | 8000 RPM | D1-D10 | 46 Nm | D132 |
| BT40QER25Q66 | 6800 RPM | D1-D16 | 46 Nm | D130 |
| BT40QER25Q110 | 6800 RPM | D1-D16 | 46 Nm | D130 |
| BT40QER25Q160 | 6800 RPM | D1-D16 | 46 Nm | D130 |
| BT40QER25Q210 | 6800 RPM | D1-D16 | 46 Nm | D130 |
| BT40QER25Q2X | 6800 RPM | D1-D16 | 46 Nm | D140 |
| BT40QER25Q2XQ125 | 6800 RPM | D1-D16 | 46 Nm | D140 |
| BT40QER32Q80 | 5000 RPM | D1-D20 | 65 Nm | D155 |
| BT40QER11MQ60 | 6000 RPM | D1-D7 | 10.8 Nm | D55 |
| BT40QER11MQ100 | 6000 RPM | D1-D7 | 10.8 Nm | D55 |
| BT40QER11MQ140 | 6000 RPM | D1-D7 | 10.8 Nm | D55 |
| BT40QER11MQ210 | 6000 RPM | D1-D7 | 10.8 Nm | D55 |
| BT40QER16MQ100 | 8000 RPM | D1-D10 | 18 Nm | D77 |
| BT40QER16MQ170 | 8000 RPM | D1-D10 | 18 Nm | D76 |
| BT40QER20MQ100 | 6000 RPM | D1-D13 | 30 Nm | D85 |
| BT40QER20MQ150 | 6000 RPM | D1-D13 | 30 Nm | D85 |
| BT40QER20MQ180 | 6000 RPM | D1-D13 | 30 Nm | D85 |
| BT40QAER25MQ100 | 6000 RPM | D1-D16 | 46 Nm | D95 |
| BT40QAER25MQ150 | 6000 RPM | D1-D16 | 46 Nm | D95 |
| BT40QPER13 | 6000 RPM | D1-D13 | 30 Nm | D75 |
| BT40QPER16Q59 | 6000 RPM | D4-D10 | 25 Nm | D51 |
| BT40QPER20 | 6000 RPM | D1-D13 | 30 Nm | D118 |
| BT40QFMB22MQF63 | 3500 RPM | D22 | 46 Nm | D100 |
| BT40QW13 | 6000 RPM | D1-D13 | 35 Nm | D130 |
| BT40QYW16 | 6000 RPM | D1-D16 | 46 Nm | D118 |
| BT40QMNM3LQ150 | 8000 RPM | D3 | 4.3 Nm | D25 |
| BT40QD13Q30° | 4500 RPM | D1-D13 | 35 Nm | D130 |
| DK45QBT40QER25Q45° | 7500 RPM | D1-D16 | 46 Nm | D115 |
| BT40QZ10QL50 | 6000 RPM | D1-D10 | 18.5 NM | D100 |
| BT40QAER25M | 6000 RPM | D1-D16 | 46 Nm | D95 |
| BT40QER25L | 6000 RPM | D1-D16 | 46 Nm | D142 |
| BT40QD30Q001 | 6000 RPM | D8 | 18 Nm | D65 |
| BT40QD30Q002 / Boring | 6000 RPM | D8 | 18 Nm | D65 |
| BT40QD30Q003 / Surface Milling | 5000 RPM | D8 | 18 Nm | D65 |
| BT40QF25Q2X | 6000 RPM | D10 | 26 Nm | 26*58 |
A CAT40 spindle and a BT40 spindle share the 7/24 taper, so the head goes in — but the pull stud thread does not carry over. CAT tooling in North America is commonly 5/8-11, while BT40 is M16. If the retention knob is wrong the head will not clamp, and that is the single most common reason an angle head arrives and cannot be used. Send the spindle type and the retention knob drawing or part number with the enquiry and Mongtec confirms it before quoting.
Send your spindle type and retention knob — we confirm before quoting
The same models are published on these shanks:
Every model in this range can be built to order. Reach, head profile, output interface, angle, coolant and the stop arrangement are matched to the operation and the machine.