THREADED 2-1/4″-8 BACKPLATE FOR 8″ 3 OR 4 JAW CHUCKS (3900-3326)

THREADED 2-1/4″-8 BACKPLATE FOR 8″ 3 OR 4 JAW CHUCKS (3900-3326) (SKU: 3900-3326)

Threaded 2 1/4-8 Backplate/Adapter for 8″ Lathe Chucks

• No bolt holes
• Machining is required before mounting your chuck to ensure concentricity
• For 3 & 4-jaw chucks

Specifications

• Threaded 2 1/4-8 Backplate/Adapter for 8″ Lathe Chucks
• No bolt holes.
• Machining is required before mounting your chuck to ensure concentricity.
• For 3 & 4-jaw chucks.
• Weight: 13
• 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.