Features of ER Collet
1. Take use of the difference of flute and the use of sealed ring to attain surrounding coolant and provide center as water outlet
2. Useful to chuck cutting tools with water outlet
3. Can bear the water pressure up to 21 kgf/cm2
4. No flexibility(No flexibility chucking range. It depends on the biggest chucking range)
5. The ER part of the product is according to DIN6499, It can be used with suitable tool holders
| Size | d | D1 | D | D2 | L |
| ER11-3/64" | 3/64 | 11 | 11.5 | 9.5 | 18 |
| ER11-1/16" | 1/16 | 11 | 11.5 | 9.5 | 18 |
| ER11-5/64" | 5/64 | 11 | 11.5 | 9.5 | 18 |
| ER11-3/32" | 3/32 | 11 | 11.5 | 9.5 | 18 |
| ER11-7/64" | 7/64 | 11 | 11.5 | 9.5 | 18 |
| ER11-1/8" | 1/8 | 11 | 11.5 | 9.5 | 18 |
| ER11-9/64" | 9/64 | 11 | 11.5 | 9.5 | 18 |
| ER11-5/32" | 5/32 | 11 | 11.5 | 9.5 | 18 |
| ER11-11/64" | 11/64 | 11 | 11.5 | 9.5 | 18 |
| ER11-3/16" | 3/16 | 11 | 11.5 | 9.5 | 18 |
| ER11-13/64" | 13/64 | 11 | 11.5 | 9.5 | 18 |
| ER11-7/32" | 7/32 | 11 | 11.5 | 9.5 | 18 |
| ER11-15/64" | 15/64 | 11 | 11.5 | 9.5 | 18 |
| ER11-1/4" | 1/4 | 11 | 11.5 | 9.5 | 18 |
| ER11-17/64" | 17/64 | 11 | 11.5 | 9.5 | 18 |
| ER16-3/64" | 3/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-1/16" | 1/16 | 16 | 17 | 13.8 | 27.5 |
| ER16-5/64" | 5/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-3/32" | 3/32 | 16 | 17 | 13.8 | 27.5 |
| ER16-7/64" | 7/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-1/8" | 1/8 | 16 | 17 | 13.8 | 27.5 |
| ER16-9/64" | 9/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-5/32" | 5/32 | 16 | 17 | 13.8 | 27.5 |
| ER16-11/64" | 11/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-3/16" | 3/16 | 16 | 17 | 13.8 | 27.5 |
| ER16-13/64" | 13/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-7/32" | 7/32 | 16 | 17 | 13.8 | 27.5 |
| ER16-15/64" | 15/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-1/4" | 1/4 | 16 | 17 | 13.8 | 27.5 |
| ER16-17/64" | 17/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-9/32" | 9/32 | 16 | 17 | 13.8 | 27.5 |
| ER16-19/64" | 19/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-5/16" | 5/16 | 16 | 17 | 13.8 | 27.5 |
| ER16-21/64" | 21/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-11/32" | 11/32 | 16 | 17 | 13.8 | 27.5 |
| ER16-23/64" | 23/64 | 16 | 17 | 13.8 | 27.5 |
| ER16-3/8" | 3/8 | 16 | 17 | 13.8 | 27.5 |
| ER20-3/64" | 3/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-1/16" | 1/16 | 20 | 21 | 17.4 | 31.5 |
| ER20-5/64" | 5/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-3/32" | 3/32 | 20 | 21 | 17.4 | 31.5 |
| ER20-7/64" | 7/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-1/8" | 1/8 | 20 | 21 | 17.4 | 31.5 |
| ER20-9/64" | 9/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-5/32" | 5/32 | 20 | 21 | 17.4 | 31.5 |
| ER20-11/64" | 11/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-3/16" | 3/16 | 20 | 21 | 17.4 | 31.5 |
| ER20-13/64" | 13/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-7/32" | 7/32 | 20 | 21 | 17.4 | 31.5 |
| ER20-15/64" | 15/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-1/4" | 1/4 | 20 | 21 | 17.4 | 31.5 |
| ER20-17/64" | 17/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-9/32" | 9/32 | 20 | 21 | 17.4 | 31.5 |
| ER20-19/64" | 19/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-5/16" | 5/16 | 20 | 21 | 17.4 | 31.5 |
| ER20-21/64" | 21/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-11/32" | 11/32 | 20 | 21 | 17.4 | 31.5 |
| ER20-23/64" | 23/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-3/8" | 3/8 | 20 | 21 | 17.4 | 31.5 |
| ER20-25/64" | 25/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-13/32" | 13/32 | 20 | 21 | 17.4 | 31.5 |
| ER20-27/64" | 27/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-7/16" | 7/16 | 20 | 21 | 17.4 | 31.5 |
| ER20-29/64" | 29/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-15/32" | 15/32 | 20 | 21 | 17.4 | 31.5 |
| ER20-31/64" | 31/64 | 20 | 21 | 17.4 | 31.5 |
| ER20-1/2" | 1/2 | 20 | 21 | 17.4 | 31.5 |
| ER20-33/64" | 33/64 | 20 | 21 | 17.4 | 31.5 |
| ER25-3/64" | 3/64 | 25 | 26 | 22 | 34 |
| ER25-1/16" | 1/16 | 25 | 26 | 22 | 34 |
| ER25-5/64" | 5/64 | 25 | 26 | 22 | 34 |
| ER25-3/32" | 3/32 | 25 | 26 | 22 | 34 |
| ER25-7/64" | 7/64 | 25 | 26 | 22 | 34 |
| ER25-1/8" | 1/8 | 25 | 26 | 22 | 34 |
| ER25-9/64" | 9/64 | 25 | 26 | 22 | 34 |
| ER25-5/32" | 5/32 | 25 | 26 | 22 | 34 |
| ER25-11/64" | 11/64 | 25 | 26 | 22 | 34 |
| ER25-3/16" | 3/16 | 25 | 26 | 22 | 34 |
| ER25-13/64" | 13/64 | 25 | 26 | 22 | 34 |
| ER25-7/32" | 7/32 | 25 | 26 | 22 | 34 |
| ER25-15/64" | 15/64 | 25 | 26 | 22 | 34 |
| ER25-1/4" | 1/4 | 25 | 26 | 22 | 34 |
| ER25-17/64" | 17/64 | 25 | 26 | 22 | 34 |
| ER25-9/32" | 9/32 | 25 | 26 | 22 | 34 |
| ER25-19/64" | 19/64 | 25 | 26 | 22 | 34 |
| ER25-5/16" | 5/16 | 25 | 26 | 22 | 34 |
| ER25-21/64" | 21/64 | 25 | 26 | 22 | 34 |
| ER25-11/32" | 11/32 | 25 | 26 | 22 | 34 |
| ER25-23/64" | 23/64 | 25 | 26 | 22 | 34 |
| ER25-3/8" | 3/8 | 25 | 26 | 22 | 34 |
| ER25-25/64" | 25/64 | 25 | 26 | 22 | 34 |
| ER25-13/32" | 13/32 | 25 | 26 | 22 | 34 |
| ER25-27/64" | 27/64 | 25 | 26 | 22 | 34 |
| ER25-7/16" | 7/16 | 25 | 26 | 22 | 34 |
| ER25-29/64" | 29/64 | 25 | 26 | 22 | 34 |
| ER25-15/32" | 15/32 | 25 | 26 | 22 | 34 |
| ER25-31/64" | 31/64 | 25 | 26 | 22 | 34 |
| ER25-1/2" | 1/2 | 25 | 26 | 22 | 34 |
| ER25-33/64" | 33/64 | 25 | 26 | 22 | 34 |
| ER25-17/32" | 17/32 | 25 | 26 | 22 | 34 |
| ER25-35/64" | 35/64 | 25 | 26 | 22 | 34 |
| ER25-9/16" | 9/16 | 25 | 26 | 22 | 34 |
| ER25-37/64" | 37/64 | 25 | 26 | 22 | 34 |
| ER25-19/32" | 19/32 | 25 | 26 | 22 | 34 |
| ER25-39/64" | 39/64 | 25 | 26 | 22 | 34 |
| ER25-5/8" | 5/8 | 25 | 26 | 22 | 34 |
| ER32-1/16" | 1/16 | 32 | 33 | 29.2 | 40 |
| ER32-3/32" | 3/32 | 32 | 33 | 29.2 | 40 |
| ER32-1/8" | 1/8 | 32 | 33 | 29.2 | 40 |
| ER32-5/32" | 5/32 | 32 | 33 | 29.2 | 40 |
| ER32-3/16" | 3/16 | 32 | 33 | 29.2 | 40 |
| ER32-7/32" | 7/32 | 32 | 33 | 29.2 | 40 |
| ER32-1/4" | 1/4 | 32 | 33 | 29.2 | 40 |
| ER32-9/32" | 9/32 | 32 | 33 | 29.2 | 40 |
| ER32-5/16" | 5/16 | 32 | 33 | 29.2 | 40 |
| ER32-11/32" | 11/32 | 32 | 33 | 29.2 | 40 |
| ER32-3/8" | 3/8 | 32 | 33 | 29.2 | 40 |
| ER32-13/32" | 13/32 | 32 | 33 | 29.2 | 40 |
| ER32-7/16" | 7/16 | 32 | 33 | 29.2 | 40 |
| ER32-15/32" | 15/32 | 32 | 33 | 29.2 | 40 |
| ER32-1/2" | 1/2 | 32 | 33 | 29.2 | 40 |
| ER32-17/32" | 17/32 | 32 | 33 | 29.2 | 40 |
| ER32-9/16" | 9/16 | 32 | 33 | 29.2 | 40 |
| ER32-19/32" | 19/32 | 32 | 33 | 29.2 | 40 |
| ER32-5/8" | 5/8 | 32 | 33 | 29.2 | 40 |
| ER32-21/32" | 21/32 | 32 | 33 | 29.2 | 40 |
| ER32-11/16" | 11/16 | 32 | 33 | 29.2 | 40 |
| ER32-23/32" | 23/32 | 32 | 33 | 29.2 | 40 |
| ER32-3/4" | 3/4 | 32 | 33 | 29.2 | 40 |
| ER32-25/32" | 25/32 | 32 | 33 | 29.2 | 40 |
| ER40-1/8" | 1/8 | 40 | 41 | 36.2 | 46 |
| ER40-5/32" | 5/32 | 40 | 41 | 36.2 | 46 |
| ER40-3/16" | 3/16 | 40 | 41 | 36.2 | 46 |
| ER40-7/32" | 7/32 | 40 | 41 | 36.2 | 46 |
| ER40-1/4" | 1/4 | 40 | 41 | 36.2 | 46 |
| ER40-9/32" | 9/32 | 40 | 41 | 36.2 | 46 |
| ER40-5/16" | 5/16 | 40 | 41 | 36.2 | 46 |
| ER40-11/32" | 11/32 | 40 | 41 | 36.2 | 46 |
| ER40-3/8" | 3/8 | 40 | 41 | 36.2 | 46 |
| ER40-13/32" | 13/32 | 40 | 41 | 36.2 | 46 |
| ER40-7/16" | 7/16 | 40 | 41 | 36.2 | 46 |
| ER40-15/32" | 15/32 | 40 | 41 | 36.2 | 46 |
| ER40-1/2" | 1/2 | 40 | 41 | 36.2 | 46 |
| ER40-17/32" | 17/32 | 40 | 41 | 36.2 | 46 |
| ER40-9/16" | 9/16 | 40 | 41 | 36.2 | 46 |
| ER40-19/32" | 19/32 | 40 | 41 | 36.2 | 46 |
| ER40-5/8" | 5/8 | 40 | 41 | 36.2 | 46 |
| ER40-21/32" | 21/32 | 40 | 41 | 36.2 | 46 |
| ER40-11/16" | 11/16 | 40 | 41 | 36.2 | 46 |
| ER40-23/32" | 23/32 | 40 | 41 | 36.2 | 46 |
| ER40-3/4" | 3/4 | 40 | 41 | 36.2 | 46 |
| ER40-25/32' | 25/32 | 40 | 41 | 36.2 | 46 |
| ER40-13/16" | 13/16 | 40 | 41 | 36.2 | 46 |
| ER40-27/32" | 27/32 | 40 | 41 | 36.2 | 46 |
| ER40-7/8" | 7/8 | 40 | 41 | 36.2 | 46 |
| ER40-29/32" | 29/32 | 40 | 41 | 36.2 | 46 |
| ER40-15/16" | 15/16 | 40 | 41 | 36.2 | 46 |
| ER40-31/32" | 31/32 | 40 | 41 | 36.2 | 46 |
| ER50-1/4" | 1/4 | 50 | 52 | 46 | 60 |
| ER50-9/32" | 9/32 | 50 | 52 | 46 | 60 |
| ER50-5/16" | 5/16 | 50 | 52 | 46 | 60 |
| ER50-11/32" | 11/32 | 50 | 52 | 46 | 60 |
| ER50-3/8" | 3/8 | 50 | 52 | 46 | 60 |
| ER50-13/32" | 13/32 | 50 | 52 | 46 | 60 |
| ER50-7/16" | 7/16 | 50 | 52 | 46 | 60 |
| ER50-15/32" | 15/32 | 50 | 52 | 46 | 60 |
| ER50-1/2" | 1/2 | 50 | 52 | 46 | 60 |
| ER50-17/32" | 17/32 | 50 | 52 | 46 | 60 |
| ER50-9/16" | 9/16 | 50 | 52 | 46 | 60 |
| ER50-19/32" | 19/32 | 50 | 52 | 46 | 60 |
| ER50-5/8" | 5/8 | 50 | 52 | 46 | 60 |
| ER50-21/32" | 21/32 | 50 | 52 | 46 | 60 |
| ER50-11/16" | 11/16 | 50 | 52 | 46 | 60 |
| ER50-23/32" | 23/32 | 50 | 52 | 46 | 60 |
| ER50-3/4" | 3/4 | 50 | 52 | 46 | 60 |
| ER50-25/32" | 25/32 | 50 | 52 | 46 | 60 |
| ER50-13/16" | 13/16 | 50 | 52 | 46 | 60 |
| ER50-27/32" | 27/32 | 50 | 52 | 46 | 60 |
| ER50-7/8" | 7/8 | 50 | 52 | 46 | 60 |
| ER50-29/32" | 29/32 | 50 | 52 | 46 | 60 |
| ER50-15/16" | 15/16 | 50 | 52 | 46 | 60 |
| ER50-31/32" | 31/32 | 50 | 52 | 46 | 60 |
| ER50-1" | 1" | 50 | 52 | 46 | 60 |
| ER50-1-1/32" | 1-1/32 | 50 | 52 | 46 | 60 |
| ER50-1-1/16" | 1-1/16 | 50 | 52 | 46 | 60 |
| ER50-1-3/32" | 1-3/32 | 50 | 52 | 46 | 60 |
| ER50-1-1/8" | 1-1/8 | 50 | 52 | 46 | 60 |
| ER50-1-5/32" | 1-5/32 | 50 | 52 | 46 | 60 |
| ER50-1-3/16" | 1-3/16 | 50 | 52 | 46 | 60 |
| ER50-1-7/32" | 1-7/32 | 50 | 52 | 46 | 60 |
| ER50-1-1/4" | 1-1/4 | 50 | 52 | 46 | 60 |
| ER50-1-9/32" | 1-9/32 | 50 | 52 | 46 | 60 |
| ER50-1-5/16" | 1-5/16 | 50 | 52 | 46 | 60 |
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