Graco 866338 Screw Shoulder Socket HD Modified
$8.25
In Stock
The Graco 866338 Shoulder Screw provides precise alignment and secure fastening in Graco pump and mechanical assemblies. Essential for maintaining proper function in triggers, linkages, and internal components.
- Part Number: 866338
- Type: Shoulder screw, socket head HD (modified)
- Function: Maintains alignment and secure fastening
- Use: Trigger, linkage, and internal pump assemblies
- Compatible With: Various Graco Walk-Behind Line Stripers, Airless Sprayers, and Industrial Pumps
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Genuine OEM Part
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Overview of Graco 866338 Shoulder Screw (Socket Head HD Modified)
The Graco 866338 Screw, Shoulder, Socket HD (Modified) is a genuine OEM fastener designed to provide secure mechanical fastening in Graco assemblies. This modified shoulder screw features a socket head for precision installation and reliable holding strength in high‑stress components. :contentReference[oaicite:1]{index=1}
Compatible Machines
This shoulder screw is used wherever a precision socket shoulder screw is required in mechanical subassemblies for various Graco machines, including:
- Graco Walk‑Behind Line Stripers, where socket shoulder screws secure mechanical linkages and trigger assemblies. :contentReference[oaicite:2]{index=2}
- Graco Airless Sprayers with similar fastener requirements in pump or drive assemblies such as triggers, mounts, and fixtures. :contentReference[oaicite:3]{index=3}
- Graco Industrial Fluid Delivery Pumps — used in internal fastening for components where a shoulder screw is specified in service parts diagrams. :contentReference[oaicite:4]{index=4}
Specifications & Details
| Part Number | 866338 |
|---|---|
| Component Type | Shoulder screw, socket HD (modified) |
| Design | Precision socket head with shoulder for alignment |
| Function | Secures assemblies where precise alignment and strength are needed |
| Use | Fastening in mechanical and pump assemblies |
Frequently Asked Questions
The 866338 shoulder screw is used as a precision fastening component in mechanical assemblies such as linkages, trigger mounts, or internal pump hardware where a strong, accurately aligned fastener is required. :contentReference[oaicite:5]{index=5}
It fits machines where the OEM parts list specifies part 866338 — typically in internal assemblies. Always check your machine’s **parts diagram** to confirm that this shoulder screw is required for your model. :contentReference[oaicite:6]{index=6}
For proper fit, alignment, and mechanical integrity in Graco equipment, using the genuine 866338 OEM shoulder screw is recommended. Generic screws may differ in shoulder length, diameter, or finish, affecting performance. :contentReference[oaicite:7]{index=7}
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