Description
High-Precision ER20 Rigid Tap Collet (4.0 x 3.0 mm)
Engineered for CNC machining centers, milling machines, and tapping heads. Features an internal square drive that locks the tap shank to eliminate slipping under high-torque threading operations.
- Tap Shank Size: 4.0 mm
- Square Drive Size: 3.0 mm
- Collet Standard: DIN 6499B / ER20
- Material: Premium alloy spring steel (hardened & ground)
- Runout Accuracy: < 0.010 mm
- Compatibility: Standard ER20 collet chucks and toolholders