

The Graco 100003 Screw Cap Hex HD is a genuine OEM fastener designed for securing pump and manifold components in Graco sprayers.
The Graco 100003 Screw Cap Hex HD is used across multiple Graco sprayer systems, proportioner assemblies, and high-output airless units for secure fastening in pump and manifold structures.
| Part Number | 100003 |
|---|---|
| Part Name | Screw, Cap, Hex Head |
| Thread Size | 3/8"-16 |
| Length | 1-1/2 inches |
| Type | OEM Replacement Fastener |
| Used In | Pump Assemblies, Manifold Frames, and Proportioner Systems |
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