ER tap collets with internal square
- DIN 6499. For taps DIN 371 and DIN 374/376


| Article | Taps DIN 371 | Taps DIN 374/376 | D1 - Collet hole | D2 - Tap square |
|---|---|---|---|---|
| ERM25/3,5 | M3 | M5 | 3,5 | 2,7 |
| ERM25/4 | M 3,5 | - | 4 | 3,0 |
| ERM25/4,5 | M4 | M6 | 4,5 | 3,4 |
| ERM25/5,5 | - | 5,5 | 5,5 | 4,5 |
| ERM25/6 | M5–M6 | M8 | 6 | 4,9 |
| ERM25/6,3 | M6 | M8 | 6,3 | 5,0 |
| ERM25/7 | M7 | M 9 – M 10 | 7 | 5,5 |
| ERM25/8 | M8 | M 11 | 8 | 6,2 |
| ERM25/9 | M9 | M 12 | 9 | 7,0 |
| ERM25/10 | M 10 | - | 10 | 8,0 |
| ERM25/11 | - | M 14 | 11 | 9,0 |
| ERM25/11,2 | - | M14 | 11,2 | 9,0 |
| ERM25/12 | - | M16 | 12 | 9,0 |
| ERM25/16 | - | - | 16 | 12,0 |
| ERM32/2,8 | M 2 – M 2,5 | M4 | 2,8 | 2,1 |
| ERM32/3,5 | M3 | M5 | 3,5 | 2,7 |
| ERM32/4,5 | M4 | M6 | 4,5 | 3,4 |
| ERM32/5,5 | - | M7 | 5,5 | 4,5 |
| ERM32/6 | M5–M6 | M8 | 6 | 4,9 |
| ERM32/7 | M7 | M 9 - M 10 | 7 | 5,5 |
| ERM32/8 | M8 | M 11 | 8 | 6,2 |
| ERM32/9 | M9 | M 12 | 9 | 7,0 |
| ERM32/10 | M 10 | - | 10 | 8,0 |
| ERM32/11 | - | M 14 | 11 | 9,0 |
| ERM32/12 | - | M 16 | 12 | 9,0 |
| ERM32/14 | - | M 18 | 14 | 11,0 |
| ERM32/16 | - | M 20 | 16 | 12,0 |
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