BT & BBT Tool Holders
BT&BBT BT40 ER Collet Tool Holders with UM Nut
Product Introduction
• Precision Grinding Craftsmanship:Ensures a taper contact rate of over 80%, guaranteeing direct and uniform power transmission while effectively reducing spindle wear and enhancing machining precision.
• High-Standard Dynamic Balancing:Standard products undergo G2.5 / 20,000 RPM precision dynamic balance testing to ensure quiet and smooth operation at high speeds, minimizing the impact of resonance.
• High-Strength Alloy Steel:Manufactured from premium materials with carburizing heat treatment, combining high surface hardness with superior core toughness for exceptional fatigue resistance and long service life.
• Comprehensive Specification Support:The product line covers BT30, BT40, and BT50 series, offering diverse clamping formats such as ER collets, power milling chucks, side-lock holders, and face mill arbors to meet all machining requirements.
Product Description
Product trial model
| Size | D | D1 | L | Capacity |
|---|---|---|---|---|
| BT40QER16UMQ70 | 28 | 32 | 70 | 1-10 |
| BT40QER20UMQ70 | 34 | 35 | 70 | 1-13 |
| BT40QER25Q70 | 42 | 42 | 70 | 2-16 |
| BT40QER32Q70 | 50 | 50 | 70 | 2-20 |
| BT40QER40Q80 | 50 | 63 | 80 | 3-26 |
| BT40QER16UMQ100 | 28 | 32 | 100 | 1-10 |
| BT40QER20UMQ100 | 34 | 35 | 100 | 1-13 |
| BT40QER25Q100 | 42 | 42 | 100 | 2-16 |
| BT40QER32Q100 | 50 | 50 | 100 | 2-20 |
| BT40QER40Q100 | 50 | 63 | 100 | 3-26 |
| BT40QER16UMQ160 | 28 | 32 | 160 | 1-10 |
| BT40QER20UMQ160 | 34 | 35 | 160 | 1-13 |
| BT40QER25Q160 | 42 | 42 | 160 | 2-16 |
| BT40QER32Q160 | 50 | 50 | 160 | 2-20 |
| BT40QER40Q160 | 50 | 63 | 160 | 3-26 |
| BT40QER16UMQ200 | 28 | 32 | 200 | 1-10 |
| BT40QER20UMQ200 | 34 | 35 | 200 | 1-13 |
| BT40QER25Q200 | 42 | 42 | 200 | 2-16 |
| BT40QER32Q200 | 50 | 50 | 200 | 2-20 |
| BT40QER40Q200 | 50 | 63 | 200 | 3-26 |
For customized designs or additional specification options, please contact us. Our team will provide the most suitable solution for your application.
