3/4 X 4″ ER-20 STRAIGHT SHANK CHUCK EXTENSION (3900-5116)

3/4 X 4″ ER-20 STRAIGHT SHANK CHUCK EXTENSION (3900-5116) (SKU: 3900-5116)

3/4 X 4″ ER-20 Collet Straight Shank

• Precision made with 0.0008″ T.I.R
• For heavy duty jobs
• Capacity .04-.511″

Specifications

• 3/4 X 4″ ER-20 Collet Straight Shank
• Precision made with 0.0008″ T.I.R.
• For heavy duty jobs.
• Capacity .04-.511″
• Weight: 1.3
• 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.