3″1/2-20 3 JAW CHUCK THREADED BACKPLATE (3900-3109)

3″1/2-20 3 JAW CHUCK THREADED BACKPLATE (3900-3109) (SKU: 3900-3109)

3″ 1/2-20 Threaded Backplate for a 3-Jaw Chuck

• 3 Pre-drilled holes
• Fits most plain back chucks
• Made of high grade casting steel
• Assembly instructions included
• Bolt circle is 2.6″

Specifications

• 3″ 1/2-20 Threaded Backplate for a 3-Jaw Chuck
• 3 Pre-drilled holes.
• Fits most plain back chucks.
• Made of high grade casting steel.
• Assembly instructions included.
• Bolt circle is 2.6″.
• Weight: 2
• 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.