Graco 117791 Tri Lobe Cap Screw
$0.90
In Stock
Graco 117791 Tri Lobe Cap Screw provides secure, leak-free fastening for Graco airless and texture sprayers, ensuring stable pump alignment and reliable performance.
- OEM-grade stainless steel construction
- Tri-lobe design for precise torque control
- Resists corrosion and high-pressure wear
- Ensures consistent pump performance
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Genuine OEM Part
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Graco 117791 Tri Lobe Cap Screw – Precision Fastening for Airless Pump Systems
Compatible Machines
- Graco RTX 650 Series
- Graco RTX 5000PX and RTX 2000PI
- Graco Mark V and Mark VII Texture Sprayers
Product Overview
Graco 117791 Tri Lobe Cap Screw is an OEM-grade fastener engineered for airless sprayer pump assemblies. Designed with tri-lobe precision, it ensures stable, leak-free operation under high-pressure conditions while maintaining exact alignment between rotor and stator components.
Key Features
- Manufactured from 17-4 PH stainless steel for corrosion resistance
- Tri-lobe geometry for consistent torque distribution
- Compact dimensions for easy installation
- OEM-quality fit and high-pressure durability
- Rated for up to 5,000 psi performance
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 117791 |
| Material | 17-4 PH Stainless Steel |
| Dimensions | 1" (H) × 0.75" (L) × 0.75" (W) |
| Torque Capacity | Up to 60 in·lb |
| Pressure Rating | Up to 5,000 psi |
| Finish | Electropolished and Passivated |
Benefits
- Prevents fluid leaks and thread wear
- Ensures precision rotor-stator alignment
- Improves overall pump efficiency and seal longevity
- Easy maintenance and long service life
Frequently Asked Questions
It secures critical pump components in Graco airless and texture sprayers, maintaining proper alignment and preventing fluid leaks under pressure.
Replacement is recommended every 3,000 operational hours or when visible thread wear or corrosion is observed during routine maintenance.
While it is designed for Graco RTX and Mark series units, it may fit similar sprayer models that use equivalent tri-lobe threaded fasteners, but OEM use is recommended for best results.
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