ER8,ER11,ER16,ER20,ER25,ER32,ER40,ER50 夹头
ER Collets Set,DIN6499B
ER8 ( mm) | ER11 (mm) | ER16 (3-10mm) | ER20 (3-13mm) | ER25 (3-16mm) | ER32 (3-20mm) | ER40 (3-26mm) | ER50 （mm） |
1.0-0.5 | 3.0-2.5 | 3-2 | 3-2 | 3-2 | 3-2 | 4-3 | 12-10 |
1.5-1.0 | 3.5-3.0 | 4-3 | 4-3 | 4-3 | 4-3 | 5-4 | 14-12 |
2.0-1.5 | 4.0-3.5 | 5-4 | 5-4 | 5-4 | 5-4 | 6-5 | 16-14 |
2.5-2.0 | 4.5-4.0 | 6-5 | 6-5 | 6-5 | 6-5 | 7-6 | 18-16 |
3.0-2.5 | 5.0-4.5 | 7-6 | 7-6 | 7-6 | 7-6 | 8-7 | 20-18 |
3.5-3.0 | 5.5-5.0 | 8-7 | 8-7 | 8-7 | 8-7 | 9-8 | 22-20 |
4.0-3.5 | 6.0-5.5 | 9-8 | 9-8 | 9-8 | 9-8 | 10-9 | 24-22 |
4.5-4.0 | 6.5-6.0 | 10-9 | 10-9 | 10-9 | 10-9 | 11-10 | 26-24 |
5.0-4.5 | 7.0-6.5 | | 11-10 | 11-10 | 11-10 | 12-11 | 28-26 |
| | | 12-11 | 12-11 | 12-11 | 13-12 | 30-28 |
| | | 13-12 | 13-12 | 13-12 | 14-13 | 32-30 |
| | | | 14-13 | 14-13 | 15-14 | 34-32 |
| | | | 15-14 | 15-14 | 16-15 | |
| | | | 16-15 | 16-15 | 17-16 | |
| | | | | 17-16 | 18-17 | |
| | | | | 18-17 | 19-18 | |
| | | | | 19-18 | 20-19 | |
| | | | | 20-19 | 21-20 | |
| | | | | | 22-21 | |
| | | | | | 23-22 | |
| | | | | | 24-23 | |
| | | | | | 25-24 | |
| | | | | | 26-25 | |
