ER-20 BT40 SPRING COLLET CHUCK (3900-7608)

ER-20 BT40 SPRING COLLET CHUCK (3900-7608) (SKU: 3900-7608)

ER-20 BT40 Spring Collet Chuck

• For CNC machines with BT taper spindles
• Concentricity is .0002″
• All critical surfaces are hardened and precision ground
• Gage depth is 2.76″
• Collet range is 0.040-0.511″
• Draw bar thread is M16 X 2.00
• Nut type is hex

Specifications

• ER-20 BT40 Spring Collet Chuck
• For CNC machines with BT taper spindles.
• Concentricity is .0002″.
• All critical surfaces are hardened and precision ground.
• Gage depth is 2.76″.
• Collet range is 0.040-0.511″.
• Draw bar thread is M16 X 2.00.
• Nut type is hex.
• Weight: 2.6
• Dimensions: L 3, W 6, H 3

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.