DA-4 HEAVY DUTY BORING HOLDER 1-1/4″ 250-504 (3900-6004)

DA-4 HEAVY DUTY BORING HOLDER 1-1/4″ 250-504 (3900-6004) (SKU: 3900-6004)

No. 4 Heavy Duty Boring Holder for DA #500 Series Tool Post

• A is 1-9/16″
• B is 3-1/8″
• D is 1-1/2″
• D1 is 1-1/4″
• Interchangeable with Aloris and Dorian DA series

Specifications

• DA-4 Heavy Duty Boring Holder 1-1/4″ 250-504
• A is 1-9/16″.
• B is 3-1/8″.
• D is 1-1/2″.
• D1 is 1-1/4″.
• Interchangeable with Aloris and Dorian DA series.
• Weight: 13.5
• Dimensions: L 4, W 8, H 4

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.