The Graco 108803 Socket-Head Hex Screw is expertly machined to deliver reliable performance in demanding spray environments. Designed as a key component among airless sprayer accessories, this screw ensures secure connections for an airless sprayer system, maintaining uninterrupted flow and preventing fluid leaks. Crafted from hardened stainless steel, it stands up to rigorous use with professional coatings and resists wear for long-term durability.
Whether you’re outfitting a new setup or replacing worn parts, the Graco 108803 works seamlessly with a graco airless paint sprayer hose, optimizing high-pressure filtration and ensuring consistent coating quality across every project. Its precision-fit design reduces maintenance downtime and pairs effortlessly with premium spray tips, delivering smooth atomization and uniform finish. Ideal for contractors, it delivers consistent results under harsh conditions.
$8.74The Graco 108803 Screw is a precision-engineered socket-head hex fastener designed for robust installation within airless sprayer and high-pressure filtration assemblies. Manufactured to tightly controlled tolerances, this component plays a critical role in securing pump manifold sections and maintaining system integrity under extreme pressure cycles. Ideal for professional coatings applications, the 108803 Screw resists vibrational loosening and contributes to reliable seal longevity across diverse spraying platforms. Its ISO 4762-compliant head geometry and optimized torque absorption characteristics enable consistent clamp force distribution while minimizing thread fatigue. Engineered alloys and surface treatments further enhance corrosion resistance and dimensional stability, ensuring dependable performance in demanding field environments and industrial coating lines.
Structural Design and Tolerances: The Graco 108803 Screw features a socket-head hex configuration with a low-profile cap that maximizes clearance in compact pump housings. Detailed finite-element analysis validates stress distributions, while strict quality controls ensure thread runout is held within microns. The head recess dimension is matched to calibrated bit sockets to prevent cam-out and allow application of precise torque values up to 25 Nm without risk of head stripping. Material selection includes both passivated stainless steel grades and high-strength tool steel variants, each exhibiting a minimum yield strength of 550 MPa. This combination of geometry and metallurgy optimizes clamp load consistency throughout extended service intervals.
Integration with Pump Modules and Sprayer Platforms: Engineered to function seamlessly within advanced fluid delivery systems, the 108803 Screw supports critical seals and glands in diaphragm and piston pump designs. When utilized in conjunction with a graco 395 sprayer, it maintains alignment of the manifold block, sustaining consistent fluid paths and preventing pressure drop anomalies. Its design enhances pump efficiency by ensuring leak-free interfaces under pressures exceeding 3,200 psi. Titanium-based coatings can be applied to reduce galling when cyclic torquing is frequent, further prolonging component lifespan without impact on seal longevity.
Across sectors such as industrial coating, oil-and-gas injection, and municipal water treatment, the 108803 Screw offers adaptability for installation within customized manifolds, filter housings, and hydraulic power units. Installation in drum cage assemblies, including configurations prevalent in drum cage texas environments, leverages its corrosion-inhibiting finishes to withstand humid and abrasive conditions. The fastener’s precision engagement preserves alignment in dynamic loads, reducing maintenance cycles. It is equally effective in spray rig frameworks and skid-mounted units where repetitive assembly and disassembly demand components that deliver repeatable torque signatures without thread deformation.
Material traceability and certification accompany each screw, providing documented proof of mechanical properties and chemical composition to meet stringent quality standards. Surface treatments such as black oxide, zinc-nickel alloy plating, or PVD titanium nitride enhance both appearance and functional wear resistance. When paired with fluid delivery equipment like the magnum x5 paint sprayer, compatibility with a broad spectrum of professional coatings—including epoxies, polyurethanes, and acrylics—is guaranteed by inert finish properties that resist chemical attack. Matching the coefficient of thermal expansion between fastener and pump housing metals limits micro-stress formation and maintains sealing integrity across operating temperatures.
Routine inspection and scheduled retorque procedures are simplified by the standardized head profile of the 108803 Screw, allowing easy access with common socket tools. High-pressure filtration systems benefit from consistent clamp loads, which reduce the frequency of gasket replacement and minimize downtime. The screw’s robust design sustains pump efficiency throughout millions of cyclic operations, while its fatigue resistance supports long service life under rapid pressure fluctuations. Comprehensive testing under simulated operational conditions validates seal longevity in both static and dynamic sealing interfaces, ensuring that maintenance intervals align with best-practice schedules for critical fluid handling equipment.
Conclusion & Performance Summary: The Graco 108803 Screw exemplifies precision hardware design optimized for rigorous fluid handling and coating equipment demands. Crafted under ISO-certified manufacturing processes and rigorous batch testing, it safeguards high-pressure filtration integrity while maximizing pump efficiency through consistent clamp forces. Its robust metallurgy and finish treatments extend seal longevity and contribute to sustained system reliability across professional-grade spraying platforms.
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