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Standard Spindle Precision DIN2080 NT30 NT40 NT50 ER Collet Chuck Tool Holder ,The connecting part of machine tool and tool handle, tool handle and cutting tool are mostly used for metal processing, which should not be contaminated with metal powder and impurities, and should be kept clean at all times.NT ER Milling Collet Chuck, DIN6499 collet clamping tool holder of various sizes , high speed and high precision machining .Mechanical spindle and cutting tools and other accessories.High Precision NT shank Tool Holder ,balanced G6.3 or G2.5 For choose.
NT ER Collet Chuck Usage
Boring, milling, drilling, tapping, grinding and engraving
operation etc.
| model | L | L1 | D | d1 | T |
| NT30*ER20A-45 | 113.4 | 45 | 31.75 | 34 | M12*1.75 |
| NT30*ER25-55 | 123.4 | 55 | 31.75 | 42 | M12*1.75 |
| NT30*ER32-60 | 128.4 | 60 | 31.75 | 50 | M12*1.75 |
| NT30*ER40-75 | 143.4 | 75 | 31.75 | 63 | M16*2 |
| NT40*ER16A-45 | 138.4 | 45 | 44.45 | 28 | M16*2 |
| NT40*ER20A-45 | 138.4 | 45 | 44.45 | 34 | M16*2 |
| NT40*ER25-55 | 148.4 | 55 | 44.45 | 42 | M16*2 |
| NT40*ER32-60 | 153.4 | 60 | 44.45 | 50 | M16*2 |
| NT40*ER40-70 | 163.4 | 70 | 44.45 | 63 | M16*2 |
| NT40*ER50-80 | 173.4 | 80 | 44.45 | 78 | M16*2 |
| NT50*ER32-75 | 201.8 | 75 | 69.85 | 50 | M24*3 |
| NT50*ER50-80 | 206.8 | 80 | 69.85 | 63 | M24*3 |
| NT50*ER50-80 | 206.8 | 80 | 69.85 | 78 | M24*3 |
