The Graco 106276 Hex Head Cap Screw is engineered for optimal performance in high-demand coating operations. This robust hex head cap screw delivers precise securing of pump assemblies, ensuring consistent fluid control in your graco electric paint sprayer. Its hardened steel construction stands up to rigorous use, maintaining reliable seal integrity under extreme pressure. Professionals trust this component to enhance compatibility with a variety of industrial-grade machines while supporting superior craftsmanship.
Ideal for maintenance and troubleshooting, this screw integrates seamlessly with your airless sprayer systems, contributing to consistent spray patterns and reduced downtime. Its precision threading safeguards against leaks and supports advanced professional coatings applications. Combined with the correct graco pump repair near me procedures, this component optimizes performance and extends equipment lifespan, ensuring efficient high-pressure filtration and dependable operation in demanding environments.
$8.74The Graco 106276 Hex Head Cap Screw is a precision-engineered fastener designed specifically for high-performance pump assemblies in demanding fluid handling systems. Manufactured to OEM specifications, this cap screw features a robust hexagonal head profile optimized for maximum torque transfer and minimized slippage during assembly in airless sprayer modules and pressure regulation valves. The geometrical tolerances are held to ISO 2768 medium class, ensuring consistent alignment and uniform clamping forces across mating surfaces. Integration into professional coatings equipment benefits from its superior hardness and dimensional stability under cyclic load conditions.
Installation and maintenance personnel rely on detailed schematics and torque guidelines when selecting this cap screw from an extensive graco parts list. The 106276 model delivers precise thread engagement across multiple pitches, reducing the potential for micro-leakage in high-pressure filtration zones. Thread depth and pitch diameter values are held to a tolerance band of +0.025 mm/–0 mm, permitting repeatable clamp loads of up to 32 kN without inducing yield. The hex drive accepts a 14 mm socket and is compatible with torque wrenches calibrated to ±2% accuracy, ensuring pump efficiency and uniform sealing during reassembly.
The Graco 106276 cap screw is fabricated from high-tensile alloy steel conforming to ASTM A574 Grade 8, offering yield strengths upward of 830 MPa and ultimate tensile levels exceeding 900 MPa. The head and shank undergo a controlled heat treatment cycle to achieve a Rockwell C hardness in the 38–42 range. A ceramic phosphate coating enhances corrosion resistance in abrasive coating environments and maintains thread integrity under repetitive torque cycles without galling or surface fatigue.
Extensive testing under simulated operational cycles confirms the 106276 cap screw’s resilience in maintaining clamp loads over extended service intervals. Functional tests demonstrate that cyclic preload retention exceeds 95% after 50,000 stress cycles at 75% of yield load, validating the design for professional coatings applications and dynamic sealing requirements. The controlled lubrication strategy during assembly, combined with precision torque application, optimizes pump efficiency and minimizes fluctuations in fluid displacement accuracy under varying pressure and temperature conditions.
Commonly utilized within OEM fluid distribution manifolds and pressure control housings, the 106276 cap screw is integral to systems requiring precise clamp control and leak-free operation. Integration with popular graco sprayers and specialized metering assemblies leverages this component’s high yield strength and dimensional accuracy. It also complements the advanced pump technology in the graco 360 dsp platform, enabling consistent fluid delivery in critical sealing zones. Applications span high-viscosity polymer pumping, solvent-based coatings, and multi-component resistance welding units where mechanical stability and seal longevity are paramount.
Routine inspection intervals should include torque verification and visual inspection of phosphate coatings for signs of wear or corrosion. Protective lubrication with a high-temperature molybdenum-disulfide compound can be applied sparingly to mating threads to inhibit galling during reassembly. Replacement cycles are typically aligned with seal change-out schedules to maximize seal longevity and reduce downtime. When reinstalling, technicians should follow a crisscross torque pattern to ensure even load distribution. Periodic high-pressure filtration cleanliness checks are recommended to prevent particulate ingestion that could compromise thread integrity. Documentation should be logged to track cumulative torque cycles and flange compression history for predictive maintenance strategies.
Prior to installation, threads must be inspected for cleanliness and dimensional conformance using calibrated gauges. Debris or residual threadlocker can skew torque readings and compromise torque accuracy. Application of a controlled thread sealant is optional but can further enhance leak prevention in critical zones. Manual tightening should proceed until hand-tight, followed by incremental torque application in 30% increments of the final value, allowing for stress relaxation between passes. Final torque verification should align with manufacturer-specified torque curves to preserve material integrity and prevent overloading.
In summary, the Graco 106276 Hex Head Cap Screw embodies a fusion of advanced material science and precision manufacturing tailored for demanding fluid pumping systems. Its combination of high-strength alloy construction, ceramic phosphate surface treatment, and tightly controlled dimensional tolerances delivers outstanding clamp reliability and seal longevity in professional coatings and high-pressure filtration environments. Proper adherence to installation and maintenance protocols reinforces pump efficiency and maximizes component lifespan. Engineers and maintenance specialists should integrate this component within broader system reliability analyses to fully leverage its design benefits and predictive maintenance data.
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