125MM DIAMETER D1-4 ER-40 COLLET CHUCK (3901-5042) (SKU: 3901-5042)
125MM Diameter, D1-4 ER-40 Collet Chuck
- Concentricity is .0016″
- 125mm diameter (D1)
- Easily mount to a lathe with a D1-4 spindle
- Use with ER-40 collets
- Stud diameter is 5/8″
- D is 64mm
- L is 42mm
Specifications
- 125MM Diameter, D1-4 ER-40 Collet Chuck
- Concentricity is .0016″.
- 125mm diameter (D1).
- Easily mount to a lathe with a D1-4 spindle.
- Use with ER-40 collets.
- Stud diameter is 5/8″.
- D is 64mm.
- L is 42mm.
- Supplied with a wrench.
- Weight: 5.2
- Dimensions: L 10, W 6, H 10
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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