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This Rev-A-Shelf 4BM1 bottom mount shaft supports two wood trays in a 4WLS series lazy Susan, providing the central structural connection between the tray stack and the cabinet floor.
A bottom mount shaft is the backbone of a lazy Susan assembly. It sets the rotational center, carries the vertical load of the tray stack, and connects the whole unit to the cabinet floor. This 4BM1 shaft is sized and configured for the Rev-A-Shelf 4WLS wood tray series, so the trays align correctly and spin without wobble. It is the component to reach for when building a new 4WLS susan or replacing a damaged center shaft in an existing installation.
The shaft is finished in zinc, a practical choice for hardware that lives inside a base cabinet. Zinc provides a hard, stable surface that resists the light moisture and temperature variation typical of a kitchen cabinet interior. At 18 inches, the shaft accommodates the clearance a two-tray wood susan requires without over-extending into the cabinet space above.
This shaft is the right part for cabinet shops and installers building or servicing a Rev-A-Shelf 4WLS wood tray lazy Susan. It is also the replacement component for homeowners whose existing center shaft has worn or been damaged. Because this is a series-specific part, it is intended for 4WLS assemblies; confirm the series of the susan before ordering to make sure this shaft matches the tray hardware in use.
This shaft is designed for the Rev-A-Shelf 4WLS wood tray series. It is not a universal fit across all lazy Susan families, so match it to that series specifically.
This shaft is configured for two wood trays. If your assembly uses a different tray count, check the 4BM series for the height that matches your configuration.
It works for both. Use it when building a new 4WLS susan or as a direct replacement when the center shaft in an existing installation needs to be swapped out.
No. This is the center shaft only. Trays, swivel bearings, and other lazy Susan hardware components are sold separately.
Specify this 4BM1 shaft when the job calls for a properly centered, stable axis in a two-tray 4WLS wood Susan build, finished in zinc and sized at 18 inches for a clean, reliable fit.
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