ER-40 CAT 40 V-FLANGE SPRING COLLET CHUCK SET (SKU: 3900-4042)
Built for dependable performance in everyday machining. Use to hold workpieces securely for turning operations.
Key benefits
- Practical, shop-ready tool for daily use.
- Designed to support consistent results when properly applied.
- A strong fit for U.S. job shops and maintenance work.
Recommended use
- Verify compatibility (size, holder type, machine capacity) before ordering.
- Use proper clamping, coolant/lubrication, and recommended cutting parameters for your material.
- For best results, start conservatively and tune speeds/feeds based on your setup rigidity.
Keywords: lathe chuck, workholding, 3 jaw chuck, 4 jaw chuck.











