M-TYPE MINI ER-16 COLLET CHUCK NUT (3900-0681) (SKU: 3900-0681)
M-Type Mini ER-16 Collect Chuck Nut
- Balanced to 18,000 RPM
- Tolerance is .0003″ Maximum
- Material is 42 CrMo
- Hardness is HRC 50
- 52
- Thread Tolerance Class is 4H-Class
- Thread is M19 X 1.0
- D is 22 mm
- L is 18 mm
Specifications
- M-Type Mini ER-16 Collect Chuck Nut
- Balanced to 18,000 RPM
- Tolerance is .0003″ Maximum
- Material is 42 CrMo
- Hardness is HRC 50~52
- Thread Tolerance Class is 4H-Class
- Thread is M13 X .75
- D is 16 mm
- L is 12 mm
- Weight: 0.01
- 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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