Olicnc,ER Collets, Tool Holders, Machine Accessories
High precision CNC milling machine collet er20 er32 er25 er40 spring Collet for Milling Machine
1.ER Collets are applied for a variety of processing,including drilling, milling,tapping&grinding.
2.material: 65Mn er collets. standard: DIN6499B
3.hardness:HRC44-48.
4. full size: ER8,ER11,ER16,ER20,ER25,ER32,ER40,ER50.
5.Accuracy 0.015mm, 0.01mm,0.008mm,0.005mm, 0.003mm for your choice
6.Series of ER Collets Set for your choice ,package with plastic box, wooden box and aluminum box
such as ER32-18pcs (3-20mm), ER40-23pcs(4-26mm)
| Model | European Ref. No. | D | D1 | D2 | L | L1 | L2 | L3 |
| ER8 | 8 | 8.5 | 6.5 | 13.5 | 2.7 | 1.5 | 1.2 | |
| ER11 | 424E | 11 | 11.5 | 9.5 | 18.0 | 3.8 | 2.5 | 2.0 |
| ER16 | 426E | 16 | 17 | 13.8 | 27.5 | 6.26 | 4.0 | 2.7 |
| ER20 | 428E | 20 | 21 | 17.4 | 31.5 | 6.36 | 4.8 | 2.8 |
| ER25 | 430E | 25 | 26 | 22.0 | 34.0 | 6.66 | 5.0 | 3.1 |
| ER32 | 470E | 32 | 33 | 29.2 | 40.0 | 7.16 | 5.5 | 3.6 |
| ER40 | 472E | 40 | 41 | 36.2 | 46.0 | 7.66 | 7.0 | 4.1 |
| ER50 | 477E | 50 | 52 | 46.0 | 60.0 | 12.6 | 8.5 | 5.5 |
