ER-40 CAT 40 V-FLANGE SPRING COLLET CHUCK SET (3900-4040) (SKU: 3900-4040)
ER-40 CAT 40 25 Piece Spring Collet Chuck Set
- High precision collet chuck system suitable for all milling and drilling applications
- Unique self-releasing system
- Wide holding range
- Accuracy to .0005″
- Comes with a fitted case
- Gage length is 2.75″
- Drawbar end thread is 5/8″-11
Specifications
- ER-40 CAT 40 25 Piece Spring Collet Chuck Set
- High precision collet chuck system suitable for all milling and drilling applications.
- Unique self-releasing system.
- Wide holding range.
- Accuracy to .0005″.
- Comes with a fitted case.
- Gage length is 2.75″.
- Drawbar end thread is 5/8″-11.
- Weight: 19.6
- Dimensions: L 8, W 12, H 8
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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