Upgrade your CNC engraving machine or milling lathe with the versatile 1pcs ER20 Spring Chuck Spring Collet Tool Holder. Designed for precision and durability, this tool holder accommodates a wide range of collet sizes (3 mm‑13 mm) and fits both 1/4‑inch and 1/8‑inch spindle interfaces, making it the ideal accessory for hobbyists and professionals alike.
Key Benefits
- Universal compatibility with ER20 collets (3 mm to 13 mm) for maximum flexibility.
- Fits standard 1/4‑inch and 1/8‑inch CNC spindle mounts.
- High‑strength spring‑loaded design ensures secure clamping and quick tool changes.
- Precision‑machined aluminum body reduces weight while maintaining rigidity.
- Corrosion‑resistant finish prolongs service life in demanding workshop environments.
Why Choose This ER20 Spring Chuck?
Whether you’re engraving intricate patterns or milling complex parts, a reliable collet holder is essential for maintaining accuracy and repeatability. Our ER20 spring chuck delivers:
- Fast tool swaps: The spring mechanism releases and grips collets effortlessly, minimizing downtime.
- Consistent grip strength: Even pressure across the collet eliminates wobble and vibration.
- Easy installation: Simple fit‑and‑lock design requires no additional tools.
Specifications
- Model: ER20 Spring Chuck
- Collet sizes supported: 3 mm, 4 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm
- Spindle interface: 1/4‑inch (6.35 mm) & 1/8‑inch (3.18 mm)
- Material: CNC‑machined aluminum alloy
- Finish: Anodized for corrosion resistance
- Weight: Approximately 120 g
Ideal Applications
Perfect for:
- CNC engraving machines
- Milling lathes
- PCB drilling stations
- Prototyping and small‑batch production
- DIY and hobbyist projects
Package Includes
- 1 x ER20 Spring Chuck Spring Collet Tool Holder (1/4 & 1/8 compatible)
Enhance your machining precision and speed with this reliable, high‑performance ER20 spring chuck. Order now and experience smoother, more accurate tool changes on every job.
Price: Original price was: $ 1.15.$ 1.03Current price is: $ 1.03.

