PRO-SERIES CAT40 2.76″ ER-16 SPRING COLLET CHUCK WITH HEX NUT (3900-2060) (SKU: 3900-2060)
Pro-Series High Speed, Balanced CAT 40 ER-16 Spring Collet Chuck
- Balanced to 18,000 RPM
- Tolerance is .0002″ Maximum
- Made of 20CrMnTi alloy steel
- Electrolysis nickel coating
- Superior Finish & Craftsmanship
- 2.76″ Gage Length
Specifications
- Pro-Series High Speed, Balanced CAT 40 ER-16 Spring Collet Chuck With Hex Nut
- Balanced to 18,000 RPM
- Tolerance is .0002″ Maximum
- Made of 20CrMnTi alloy steel
- Electrolysis nickel coating
- 2.76″ Gage Length
- Superior Finish & Craftsmanship
- Weight: 2.6
- Dimensions: L 3, W 6, H 3
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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