

The Graco 101554 Screw Set is a genuine OEM fastener designed to secure hubs and collars in Graco spray guns, ensuring stable performance under pressure.
The Graco 101554 Screw Set (set screw) is a genuine OEM fastener used to lock hubs, collars, and fixtures in Graco spray guns and related assemblies. Its cup-point bites into the mating surface to resist loosening under vibration.
| Part Number | 101554 |
|---|---|
| Type | Set screw (square/hex drive depending on assembly) |
| Thread Size | 3/8-16 (UNC) |
| Length | 3/4″ (approx., per referenced service lists) |
| Point Style | Cup-point |
| Uses | Securing collars, hubs, brackets, and alignment points in spray gun assemblies |
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