THREADED M39 X 4 BACKPLATE / ADAPTER FOR 6″ 3 OR 4 JAW LATHE CHUCKS (3900-3339)

THREADED M39 X 4 BACKPLATE / ADAPTER FOR 6″ 3 OR 4 JAW LATHE CHUCKS (3900-3339) (SKU: 3900-3339)

Threaded M39 X 4 Backplate/Adapter 6″ Lathe Chucks

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

Specifications

• Threaded M39 X 4 Backplate/Adapter 6″ Lathe Chucks
• No bolt holes.
• Machining is required before mounting your chuck to ensure concentricity.
• For 3 & 4-jaw chucks.
• Weight: 6.2
• 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.