Engineered for optimal performance in demanding spray applications, the Graco 115492 Hexagonal Head Slotted Washer Machined Screw provides exceptional strength and corrosion resistance. Crafted from durable stainless steel, this precision component ensures a secure fit within any high-pressure filtration assembly, delivering consistent results even under rigorous use. Its hexagonal head design allows for easy torque application, reducing setup time and maintenance requirements on professional coatings systems. Ideal for integrating with airless sprayer equipment, this screw maintains leak-free connections while withstanding harsh solvents and high operating pressures. Whether upgrading existing machinery or performing routine repairs, this meticulously machined screw guarantees reliable operation and long-term durability in industrial and commercial environments. Backed by precise manufacturing tolerances, it delivers seamless integration and minimizes downtime during assembly. Engineered to meet stringent industrial standards, it offers consistent performance across coating applications.
Graco 115492 Hexagonal Head Slotted Washer Machined Screw is engineered for precise fastening in fluid handling assemblies. The hexagonal head with integrated slot and washer seat ensures uniform clamp load distribution while resisting torsional stress during assembly. Designed to interface seamlessly with high-pressure filtration housings and pump manifolds, this screw optimizes seal compression across O-ring and gasket surfaces. Its geometry meets stringent tolerances for head angle and slot depth, enabling reliable insertion with flat-blade tools or hex drivers. The component contributes to overall pump efficiency by maintaining consistent preload and mitigating vibrational loosening. Ideal for professional coatings equipment, it delivers critical performance in demanding industrial environments.
The Graco 115492 screw is manufactured from high-grade stainless steel alloy 17-4 PH, chosen for its optimal balance of strength and corrosion resistance in chemical processing and fluid spray systems. Precision heat treatment achieves a Rockwell C hardness of 40-44, while a passivation finish enhances resistance to pitting in humid or solvent-rich atmospheres. Integrated washer seats are formed in a single machining operation to maintain concentricity and eliminate micro-gaps that could compromise seal integrity. Compatibility with standard O-ring compounds and gaskets supports extended seal longevity under cyclical pressure variations, reducing maintenance interruptions in airless sprayer modules and professional coatings rigs.
In laboratory testing, the 115492 screw demonstrates a minimum tensile strength of 90 ksi and a yield strength of 75 ksi, ensuring structural integrity under dynamic loading. Torque analysis indicates a recommended installation torque of 10–12 Nm for consistent preload without inducing stress fractures in mating components. The slotted head design yields predictable torque-tension relationships, crucial for maintenance of uniform seal compression in pump chambers. Fatigue testing over 200,000 cycles at 1,000 psi confirms negligible relaxation of clamp force, thereby preserving pump efficiency and preventing micro-leak pathways. Additionally, deflection under shear load remains below 0.05 mm, validating suitability for precision-engineered professional coatings systems operating at elevated pressures.
The screw’s hexagonal head interface aligns with standard impact and torque wrenches, streamlining assembly on high-volume production lines. Its integrated washer flange enhances load distribution across pump body flanges and filter housings, reducing the need for secondary washers and assembly steps. Compatibility with Graco fluid dispensing modules allows direct replacement in airless sprayer towers, maintaining consistent fluid pathways and minimizing downtime during maintenance cycles. Thread engagement is optimized with a class 2B internal thread fit, ensuring minimal backlash and robust engagement under vibratory conditions. Such precision integration supports rigorous operational demands in both professional coatings installations and automated dispensing cells.
Each 115492 screw undergoes multi-axis CNC machining with thread cutting tolerances held to ±0.05 mm, ensuring consistent flange squareness and slot depth. Post-machining, components are subjected to 100% dimensional inspection using coordinate measuring machines (CMM), while thread gauge verification confirms adherence to ANSI B1.1 specifications. Surface roughness Ra is controlled below 0.8 µm to minimize frictional wear during installation and repetitive torque cycles. Batch traceability is maintained through laser-etched lot codes on the screw head, facilitating quality audits and root-cause analysis in critical pump and filtration assemblies. Such rigorous quality control processes underpin reliability in high-pressure filtration and fluid delivery networks.
Field engineers appreciate the 115492 screw’s backward compatibility with legacy Graco modules, including mix chambers and piston pump assemblies, where standardized head profiles simplify service. When disassembled, the integrated washer seat retains alignment on the screw shank, reducing handling steps and ensuring consistent gasket positioning. Periodic inspections reveal minimal wear on slot interfaces and head flats, even after 1,000 service cycles, supporting extended seal longevity in rigorous environments. Replacement intervals align with routine filter cartridge changes, simplifying inventory management for maintenance teams. By optimizing component interchangeability and minimizing procedural variability, this precision machined screw contributes to sustained pump performance and reduced downtime across fluid delivery systems.
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