

The Graco 111593 Grounding Screw is a genuine OEM part designed to ensure safe and reliable electrical grounding for Graco sprayers and turbine systems.
The Graco 111593 Grounding Screw ensures reliable electrical bonding within Graco airless sprayer systems. Engineered from 17-4 PH stainless steel with a zinc dichromate finish, it provides superior corrosion resistance and maintains consistent conductivity under high-pressure spray conditions. This OEM screw safeguards against static buildup, promoting operator safety and optimal sprayer performance.
| Specification | Details |
|---|---|
| Part Number | 111593 |
| Type | Grounding Screw |
| Material | 17-4 PH Stainless Steel with Zinc Dichromate Finish |
| Thread Size | 1/4-20 UNC |
| Torque Range | 60–80 in-lbs |
| Electrical Resistance | < 10 milliohms |
| Manufacturer | Graco |
The Graco 111593 Screw Grounding should be installed with clean threads and tightened to 60–80 in-lbs torque. Apply a light anti-seize compound to prevent galling. Regular inspection ensures proper grounding and safety. Always disconnect power before maintenance to avoid electric shock or equipment damage.
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