

Quick summary of the Graco 17W878 M6 Flat Head Fastener:
The Graco 17W878 Fastener, M6-1 X 12mm Flat Head is a genuine OEM screw designed for secure, flush fastening in Graco assemblies. Its flat head allows it to sit flush with surfaces, providing secure attachment without protrusion — ideal for housing panels, assemblies, and structural intersections. ([sprayersandparts.com](https://www.sprayersandparts.com/7-order-by-graco-sprayer-parts-diagram?utm_source=chatgpt.com))
| Part Number | 17W878 |
|---|---|
| Category | Flat Head Fastener |
| Size | M6-1 × 12mm |
| Main Use | Secure fastening with flush head |