A-TYPE ER-11 COLLET CHUCK NUT (3900-0685)

A-TYPE ER-11 COLLET CHUCK NUT (3900-0685) (SKU: 3900-0685)

A-Type ER-11 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 M14 X 0.75
• D is 19mm
• L is 11.3 mm

Specifications

• A-Type ER-11 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 M14 X 0.75
• D is 19mm
• L is 11.3 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.