

The Graco 15A592 Hollow Screw is a precision-engineered fastener that allows fluid or air passage while providing reliable mechanical support in Graco spray and coating systems.
The Graco 15A592 Hollow Screw is a precision‑machined, lightweight fastener designed for Graco’s high-performance fluid-handling systems. Unlike a solid bolt, its hollow core allows fluid or air to pass through, contributing to efficient system design while minimizing weight — making it ideal for demanding coating or spraying applications.
| Specification | Detail |
|---|---|
| Part Number | 15A592 |
| Type | Hollow Screw / Hollow Bolt |
| Material | High-grade metal (precision-machined) |
| Finish | Corrosion resistant |
| Weight | Relatively light due to hollow design |
| Typical Use | Fluid-passage fastener in spray pumps, coating systems, or similar assemblies |
In Graco’s spray and coating systems, the 15A592 Hollow Screw serves a dual role — it provides the mechanical strength of a fastener while also enabling fluid or air to flow through its core. This makes it particularly useful in designs where space and weight are at a premium, yet reliable fluid dynamics are required. Its hollow configuration can reduce overall component mass and support complex fluid routing, while its high-quality construction ensures longevity and performance under cyclic loads.
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