Graco 15D256 Socket Head Cap Screw
The Graco 15D256 Socket Head Cap Screw is a durable, OEM-specified fastener designed for secure assembly in Graco pumps, sprayers, and hydraulic modules.
- Socket head design for precise torque application
- Hardened alloy construction for high-strength use
- Corrosion-resistant finish for long service life
- OEM part ensures exact fit and reliability
Graco 15D256 Socket Head Cap Screw – Heavy‑Duty Fastener
The Graco 15D256 Socket Head Cap Screw is a robust, OEM‑specified fastening component engineered for critical assemblies within high‑pressure sprayers and hydraulic modules. Designed for durability, this cap screw ensures long‑term stability where reliable mechanical connection is essential for performance and safety.
Key Features
- Precision‑machined socket head design for accurate torque application
- Hardened alloy construction for superior strength under heavy loads
- Corrosion‑resistant finish and material for extended service life in tough environments
- OEM part — assures exact fit in Graco’s pump and hydraulic motor assemblies
- Optimised for installations where vibration, pressure and maintenance‑load cycles are common
Technical Specifications
| Part Number | 15D256 |
|---|---|
| Description | Screw, cap, socket head |
| Application | Critical structural fastening in Graco hydraulic/pump assemblies |
| Head Type | Socket (internal hex drive) |
| Material & Finish | Hardened alloy steel with corrosion‑resistant coating |
Applications & Compatibility
The 15D256 cap screw is installed in environments where secure fastening under pressure and vibration is required. According to parts lists from Graco hydraulic motor and pump kits, this screw is used in models such as the GH733, GH833, GH933, GH2570 and GH5040 series and other high‑volume sprayer/hydraulic systems. Given its application, it ensures that major assemblies remain properly clamped and aligned.
- Graco hydraulic motor/pump modules requiring socket head cap screws in mounting or housing brackets
- High‑pressure airless or texture sprayers where structural integrity is critical
- OEM maintenance kits where exact replacement fasteners maintain original machine reliability
Installation & Maintenance
- Use the correct sized hex key or Allen wrench to avoid rounding the socket head.
- Tighten to the manufacturer’s specified torque — under‑torque may loosen; over‑torque may thread‑strip or stress the assembly.
- Inspect during maintenance for signs of thread wear, head damage, or corrosion.
- Replace if the socket head is damaged or the material shows deformation — maintaining original OEM part ensures longevity and safety.
- Where vibration is present, consider a thread‑locker or lock‑washer if specified by the equipment manual.
Frequently Asked Questions
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