M39 X 4 THREADED BACKPLATE/ADAPTER FOR 4″ LATHE CHUCKS (3900-3306)

M39 X 4 THREADED BACKPLATE/ADAPTER FOR 4″ LATHE CHUCKS (3900-3306) (SKU: 3900-3306)

Threaded M39 X 4 Backplate/Adapter for 4″ Lathe Chucks

• No bolt holes
• Machining is required before mounting your chuck to ensure concentricity
• For 3 & 4-jaw chucks
• Made of high grade casting steel

Specifications

• Threaded M39 X 4 Backplate/Adapter for 4″ Lathe Chucks
• No bolt holes.
• Machining is required before mounting your chuck to ensure concentricity.
• For 3 & 4-jaw chucks.
• Made of high grade casting steel.
• Weight: 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.