

The Graco 15H317 Screw, Mounting Manifold is a high‑strength, OEM‑specified fastening screw designed to secure manifold assemblies in Graco spray and fluid systems safely and reliably.
The 15H317 Screw, Mounting Manifold is a machine‑grade fastener designed specifically for securing manifold assemblies in Graco equipment. This screw is manufactured to meet original specifications in size, thread, material strength and finish — ensuring that the manifold remains firmly attached, maintains seal integrity and resists fatigue in demanding service conditions.
Precise fasteners like the 15H317 are crucial for maintaining pressure‑rated manifold assemblies and preventing vibration‑induced loosening or leak paths. Using the correct screw helps ensure safe operation, optimal performance and system longevity.
Note any visible looseness, differences in torque retention, cracks around the screw head or evolving leaks near the screw — these are signs the screw may need replacement.
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