

The Graco CST621 RS Airless Spray Tip is built for spraying gel coat and resin with precision, delivering a wide and consistent pattern for industrial applications.
The Graco CST621 0.021 in Orifice RS Airless Spray Gun Tip is specifically designed for specialised RS spray systems used in fiberglass and resin applications.
Note: This tip is not compatible with standard contractor airless sprayers or RAC X style spray guns.
The Graco CST621 RS Airless Spray Tip is engineered for high-performance spraying of thicker materials such as gel coat and resin. With a 0.021-inch orifice and a 12-inch fan pattern, it delivers consistent coverage and efficient material flow for industrial applications.
This RS tip allows operators to optimise spray performance across various FRP systems, ensuring smooth finishes and controlled output in demanding environments.
| Orifice Size | 0.021 inch |
|---|---|
| Fan Pattern Width | 12 inches |
| Tip Code | 621 |
| Application Type | Gel Coat, Resin, Fiberglass (FRP) |
| System Type | RS Airless / Air-Assisted Airless |
| Usage | Industrial Coating Applications |
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