Precise 8 Piece Expanding Arbor Set, 1/4"-1-1/4" Size Range - 3906-4006

Precise 8 Piece Expanding Arbor Set, 1/4"-1-1/4" Size Range - 3906-4006

• By placing an arbor in your machine & expanding the arbor, you can machine the arbors to the precise diameter & length for your job.
• Chuck the shank of the expanding mandrel in a collet, jaw chuck or fixture.
• Machine the slotted part larger than the bore of the part.
• Loosen the hex draw bolt, position the part, and tighten the draw screw.
• The part is now chucked and ready for machining.
• Can be used with standard collets, vises, jaw chucks and many other special fixtures.
• Multiple expanding mandrels are also used in other special fixtures.
• Used in research & development work for large or small shops.
• Supplied with alloy wrenches and wooden stand.
• Sizes: 1/4", 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1-1/4"