R8 ER Tool Holder – Precision CNC Milling & Grinding Solution
Upgrade your machining workflow with the R8 ER Tool Holder series – a versatile, high‑precision spindle rest designed for ER collet chucks (ER16, ER20, ER25, ER32, ER40). Engineered for CNC milling and grinding centers, this tool holder delivers unparalleled accuracy with a 0.008″ tolerance, ensuring repeatable results on every cut.
Key Highlights
- Compatible with a wide range of ER collet sizes (ER16, ER20, ER25, ER32, ER40)
- Ultra‑precise 0.008″ tolerance for maximum machining accuracy
- Robust construction for long‑term durability and minimal wear
- Easy installation – fits standard CNC milling and grinding centers
- Optimized for high‑speed, high‑precision operations in both milling and grinding
- Improved tool life and reduced vibration for smoother cuts
Technical Specifications
- Material: Hardened steel with surface coating for corrosion resistance
- Tolerance: ±0.008″
- Compatible Spindle Types: ER collet chucks (ER16/ER20/ER25/ER32/ER40)
- Weight: 0.45 kg (varies slightly by size)
- Dimensions: 80 mm × 80 mm × 25 mm (example for ER20)
- Operating Temperature: –20 °C to 120 °C
Why Choose the R8 ER Tool Holder?
Designed for precision engineers and hobbyists alike, the R8 ER tool holder offers:
- Consistent tool positioning for repeatable part quality
- Reduced setup time with quick‑change compatibility
- Enhanced safety through secure collet integration
- Cost‑effective performance that extends tool life
- Support from our dedicated technical team for installation and troubleshooting
Ideal Applications
This tool holder is perfect for:
- High‑precision CNC milling of aerospace, automotive, and medical components
- Fine grinding operations requiring tight tolerances
- Prototyping and small‑batch production where accuracy is critical
- Educational and research laboratories needing reliable tool rest solutions
Elevate your machining capabilities with the R8 ER Tool Holder – the ultimate choice for precision, reliability, and performance across all CNC milling and grinding applications.
Price: Original price was: $ 47.00.$ 21.15Current price is: $ 21.15.

