

Secure critical components with the Graco 105209 Cap Head Socket Screw, engineered for high-pressure spray systems.
The 105209 Cap Head Socket Screw is a robust, high‑precision fastener designed for assembly use in professional airless spray systems. Its socket‑head design allows for secure torque application, while the precision threads and material construction provide reliable clamping and long service life under demanding conditions.
| Head Style | Socket‑head cap screw (Allen key drive) |
|---|---|
| Thread Size | Typically size 10‑32 (‡) depending on assembly variant |
| Length | ‡ variable length as per specific machine configuration |
| Material | High‑strength alloy steel designed for industrial use |
| Finish | Corrosion‑resistant plating or passivation for harsh environments |
This socket‑head cap screw features precision‑machined threads for tight engagement and consistent clamp load, reducing the risk of loosening under vibration or cyclic loading. The alloy steel body and protective finish help resist chemical exposure and mechanical fatigue found in heavy‑duty finishing equipment.
Used in high‑pressure pump mounts, manifold covers, or structural fastenings in spray systems, the 105209 screw ensures stable clamping, accurate alignment and predictable maintenance intervals. Its reliable performance supports equipment uptime and spray quality consistency.
Install using a properly calibrated hex key or Allen socket tool, achieving the correct torque specified by the equipment manufacturer. Clean and inspect mating surfaces before assembly. During maintenance, verify the screw head for rounding, thread condition and any signs of corrosion or loosening — replace if deficiencies are found to maintain assembly integrity.
Each 105209 screw is manufactured under rigorous quality standards, including dimensional inspection, material certification and finish verification. It meets the requirements expected in professional spray‑system applications where reliability and durability matter.
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