Precise 7/8"Size x 4"L Expanding Arbor - 3902-4026
- 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.
- Size: D
- Length: L
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