The Graco 100995 Hex Hd Screw Cap sets the standard for robust performance, offering precision-machined reliability for industrial use. Crafted from premium alloy steel, it resists corrosion and ensures long-term durability in corrosive environments. Engineered to integrate seamlessly with Graco pumps, this hex head cap screw delivers reliable torque retention and resists wear in harsh environments. It works in tandem with your graco spray gun parts to maintain consistent spray patterns and ensure flawless finishes. Ideal for systems requiring stringent high-pressure filtration protocols, it guarantees component integrity under elevated pressures. When paired with a graco 395 paint sprayer, this screw cap enhances overall tool longevity and operational accuracy. Whether you're applying protective coatings or specialty finishes, its compatibility with advanced professional coatings and industrial-grade airless sprayer setups makes it an indispensable asset for technicians and contractors. Each screw cap undergoes precision testing to meet rigorous OEM specifications.
The Graco 100995 Hex Head Cap Screw is engineered for high-stress fastening within airless pump assemblies, offering precise torque control and optimal install repeatability. In professional coating setups, alignment integrity and seal compression are paramount, making fastener selection critical. The screw head design accommodates a 6-point socket driver or hex key interface, ensuring full load capacity engages the pump housing without slippage. Performance under cyclic loading and exposure to solvents and coatings is achieved through rigorous material selection and surface treatments. When integrated into systems like the magnum x5 paint sprayer, this component ensures consistent seal compression and minimal backlash under high-pressure cycles.
Material composition for the 100995 screw centers on premium grade ASTM A574 alloy steel, heat-treated to a tensile strength in excess of 150 ksi. Surface finishing with either zinc plating or black oxide passivation delivers superior resistance to corrosive agents generated during professional coatings campaigns. Tight manufacturing tolerances (±0.1 mm) on thread pitch and major diameter ensure leak-free engagement with pump endplates. The cap screw’s thread form follows a standard UNF profile optimized for high-pressure fluid environments, reducing galling and maintaining clamping force integrity throughout maintenance cycles. All components meet ISO 9001:2015 quality standards, with batch traceability for full audit compliance in regulated industrial environments.
In rigorous performance testing, the 100995 Hex Head Cap Screw demonstrates cyclic fatigue life beyond 10,000 load cycles at 75% of yield strength. Recommended torque values range between 25–30 Nm, providing sufficient preload to maintain seal compression without inducing material creep. High-pressure filtration systems integrated upstream of the fastener location benefit from stable clamp loads, thereby enhancing overall pump efficiency. When retrofitting components in the graco x7 airless paint sprayer family, technicians appreciate the minimal torque variance and extended service intervals afforded by this precision fastener.
The hex head profile of part 100995 is machined with a precision 12 mm across flats, accommodating standard tool sets for rapid assembly and disassembly. Head height is controlled to within 2 mm tolerances to prevent interference with adjacent pump ports and fluid passages. Filleted transitions between head and shank reduce stress concentration, further enhancing fatigue resistance. Chamfered thread entry facilitates initiation of engagement under blind-hole conditions common in compact pump housings. This fastener’s geometric optimization directly contributes to consistent seal longevity and minimal maintenance downtime. Head countersink is optimized to minimize stress risers and to support integrated sealing washers where required for enhanced leakage prevention.
During installation, it is critical to follow a cross-pattern torque sequence to assure uniform load distribution on the pump cap. Applying a drop of Loctite or equivalent thread locker can increase vibration resistance, particularly in high-cyclic applications found in hplv paint guns. Routine inspections of torque retention should be scheduled in line with high-pressure filtration cartridge replacements. Disassembly requires controlled heat application or penetrating oil to mitigate galling, ensuring threads remain intact for multiple rebuild cycles. This approach supports streamlined maintenance and extends the life of sealing components within the fluid section.
Compatibility with a broad range of Graco pump models makes the 100995 fastener a universal choice for professional contractors. In airless sprayer configurations handling solvent-based or 100% solids coatings, the screw’s robust grade 8.8 strength rating ensures uninterrupted clamping performance even under dynamic loads. This reliability underpins consistent pump efficiency, preventing seal extrusion and fluid bypass events. Moreover, the absence of specialized tooling requirements simplifies field service operations, reducing downtime during routine filter changes or component upgrades. The precise engagement torque supports the maintenance of uniform seal compression, critical in demanding industrial coatings environments. Its standardized fastener interface also enables rapid interchangeability during emergency repairs, ensuring mission-critical operations remain uninterrupted.
Engineers specifying fasteners for high-pressure pump assemblies will value the Graco 100995 Hex Hd Screw Cap’s balanced combination of strength, fatigue resistance, and corrosion protection. Its engineered attributes—such as controlled head geometry, standardized UNF threads, and heat-treated alloy composition—deliver predictable performance under extreme conditions. By integrating this component into pump rebuild kits and OEM assemblies, maintenance teams achieve superior seal longevity and consistent spray quality. Ultimately, this precision fastener contributes to the longevity and serviceability of advanced coating systems, reinforcing Graco’s reputation for durable, high-performance fluid handling solutions.
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