8 PIECE 1/4 to 1-1/4″ EXPANDING ARBOR SET (3902-4006)

8 PIECE 1/4 to 1-1/4″ EXPANDING ARBOR SET (3902-4006) (SKU: 3902-4006)

8 Piece 1/4 to 1-1/4″ Expanding Arbor Set

• New & Improved Style
• The set includes the arbors with alloy wrenches in a handy wooden stand
• Arbors through 5/8″ are 3″ long and arbors through 1-1/4″ are 4″ long
• Includes sizes 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1 and 1-1/4″ arbors
• To use, chuck arbor to be used in the machine then tighten the expanding screw so that arbor expands .005″. Machine the arbor to the length and size required then loosen expanding screw. Position the part in the arbor and tighten the expanding screw

Specifications

• 8 Piece 1/4 to 1-1/4″ Expanding Arbor Set
• New & Improved Style
• Arbors through 5/8″ are 3″ long and arbors through 1-1/4″ are 4″ long.
• The set includes the arbors with alloy wrenches in a handy wooden stand.
• Includes sizes 1/4, 3/8, 1/2, 5/8, 3/4, 7/8, 1 and 1-1/4″ arbors.
• To use, chuck arbor to be used in the machine then tighten the expanding screw so that arbor expands .005″. Machine the arbor to the length and size required then loosen expanding screw. Position the part in the arbor and tighten the expanding screw.
• Weight: 4.3
• 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.