R8 10 PIECE ER-40 SPRING COLLET CHUCK SET (3900-0004)

R8 10 PIECE ER-40 SPRING COLLET CHUCK SET (3900-0004) (SKU: 3900-0004)

ER-40 R8 10 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″
• Drawbar end thread is 7/16″-20
• Comes with a fitted case

Specifications

• ER-40 R8 10 Piece Spring Collet Chuck Set
• High precision collet chuck system suitable for all milling and drilling applications.
• Unique self-releasing system.
• Accuracy to .0005″.
• Wide holding range.
• Comes with a fitted case.
• Drawbar end thread is 7/16″-20.
• Weight: 8.5
• Dimensions: L 11, W 7, H 15

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.