ER20-GB (428E-GB/4276E) tap collet with square drive
Features: ER tap collet similar to DIN ISO 15488A class 2 (15-20µm run-out)
Application: For clamping taps with square and cylindrical shanks in ER chucks according to DIN ISO 15488 (formerly DIN 6499).
- single-slotted
- Tap collet without length compensation
- Only the nominal size can be clamped
- Spring steel, hardened and ground
Clamping range mm |
Ø D mm |
L mm |
3.5x2.7 - 12.0x9.0 |
21.0 | 31.5 |