ER20B-A Hex Collet Chuck Nut Rock-Solid Balance To G2.5 At 18000 RPM For CNC Machining Hardened Alloy Steel With Integrated Bearing For Low Friction And Repeatable Tool Tightening

High-Precision ER20B-A Hex Collet Nut with Bearing ✔️ Balanced to G2.5 at 18000 RPM for stable, low-vibration CNC operation

This ER20B-A hex collet nut is a ball bearing nut designed for ER20 collet tool holders used in CNC milling, drilling, and tapping. The integrated thrust bearing provides smoother tightening and a more uniform clamping force, while the hex exterior enables controlled torque for repeatable seating.

✅ ER20B-A ball bearing collet nut for smoother tightening and uniform clamping
✅ Hex exterior for controlled torque application and repeatable seating
✅ Balanced to G2.5 at 18000 RPM for reduced vibration during high-speed milling
✅ Hardened alloy steel body for daily production machining of steel, aluminum, and nonferrous materials
✅ Integrated bearing lowers friction and improves clamping consistency

💡 What is an ER collet nut used for in CNC machining, and why is the integrated bearing feature valuable? This handy component helps secure ER20 collet tooling with consistent preload and smoother tightening.
- Efficient tool retention and repeatable clamping
- Reduced friction during tightening thanks to the built-in bearing
- Hex exterior enables controlled torque and seating
- Compatible with milling, drilling, and tapping in steel, aluminum, and nonferrous materials

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