PRO-SERIES R8 ER-20 DRAWBAR END COLLET CHUCK WITH HEX NUT (3901-5063) (SKU: 3901-5063)
Pro-Series by HHIP R8 ER-20 Collect Chuck with Drawbar End Premium hardened & all ground body for extended tool life. Thread of Drawbar End: R8- 7/16″ -20. Maximum RPM is 8,000. T.I.R. <= .0002". Superior craftsmanship.
Specifications
- Pro-Series by HHIP R8 ER-20 Collect Chuck with Drawbar End & Hex Nut
- T.I.R. <= .0002"
- Superior craftsmanship.
- Premium hardened & all ground body for extended tool life.
- Thread of Drawbar End: R8- 7/16″ -20
- Maximum RPM is 8,000
- Weight: 1.05
- Dimensions: L 3, W 1, H 6
Benefits
- Industrial-grade tooling designed for dependable shop performance.
- Supports consistent results when applied with correct setup practices.
- A practical choice for U.S. machine shops and maintenance work.
Recommended use
- Confirm compatibility (size, interface, machine capacity) before ordering.
- Follow safe operating practices and use appropriate PPE.
- Optimize setup rigidity and process parameters for best results.
USA Warehouse Stock — Fast U.S. fulfillment.
















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