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Graco 16H555 Nut Adapter

The Graco 16H555 Adapter Nut provides a secure fit for 1/2 inch and 5/8 inch agitator shafts used in heavy-duty in-drum systems.

  • OEM-grade adapter nut
  • Fits 1/2" and 5/8" shaft diameters
  • Used on heavy-duty in-drum agitators

$331.42
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Compatible Machines

This Graco 16H555 Adapter Nut is used in Graco’s heavy-duty in-drum agitator systems. It supports drum shafts sized 1/2 inch and 5/8 inch.

  • Graco 24C293 Heavy-Duty In-Drum Back-Geared Agitator
  • Graco 24C522 Heavy-Duty In-Drum Back-Geared Agitator

Product Details

The 16H555 Adapter Nut is designed to secure the agitator drive assembly onto drums equipped with built-in shaft and blade systems. It provides a precise connection for 1/2 inch and 5/8 inch shaft diameters to ensure stable agitation performance.

This adapter nut threads directly into the agitator gearbox output, allowing the system to align securely with the drum’s shaft. It is widely used in industrial mixing environments where durability and accurate fit are essential.

Key Features

  • Supports 1/2 inch and 5/8 inch agitator shaft diameters
  • Provides secure and stable shaft connection
  • OEM-grade consistency for long service life
  • Suitable for heavy-duty in-drum agitation systems

Frequently Asked Questions

It fits drum shafts sized 1/2 inch and 5/8 inch, making it suitable for various in-drum agitator setups.

Yes, it is a genuine OEM part designed to fit specific Graco in-drum agitator models.

Check your agitator’s parts manual for shaft diameter and model listing. If your shaft is 1/2 inch or 5/8 inch and your system matches the listed models, this adapter nut is compatible.

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