Product Description
Manufacturer part number: 3902-4018
- 3/8 X 3" Expanding Arbor
- Chuck arbor in machine to be used.
- Tighten expanding screw so that arbor expands .005".
- Machine arbor to length and size required.
- Loosen expanding screw.
- Position part on arbor and tighten expanding screw.
- Includes alloy wrench.
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