Half Inch Diameter Spring Collets ER20 CO-278 Industrial Grade For CNC Milling And Machining High Reliability Tight Tolerance Beefy Durable Fabrication And Machining Tooling For Fabricators And Machinists In Heavy Duty Production Environments

ER20 Half-Inch Spring Collet for CNC Milling
✔️ High-strength ER20 1/2 in collet, sold as single unit

ER20 half-inch diameter spring collet is industrial-grade tooling designed to clamp cutting tools in CNC milling machines and machining centers. It works with compatible ER20 chucks to deliver precise tool holding in fabrication shops and production lines.

✅ Bore: 1/2 in (12.7 mm) ER20, tight tolerance for precise tool holding
✅ Industrial-grade steel body for durability in heavy-duty fabrication environments
✅ Compatible with standard ER20 chucks and CNC spindles
✅ Repeatable clamping for consistent tool life

💡 What is an ER20 spring collet used for in CNC milling and general machining?

These handy collets securely hold cutting tools in spindles, ensuring precision and repeatable results.

- Precision clamping for 12.7 mm shanks in CNC spindles
- Works with ER20 chucks and standard milling machines
- Ideal for high-volume production and consistent tool life