S-91802A553 1/4"-20 x 2 3/4" ASME B18.6.3 Stainless Steel Phillips Oval Head Screws
Stainless Steel Phillips Oval Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance from passivated 18-8 stainless steel ensures long-term reliability in harsh environments
- High tensile strength of 80,000 psi provides exceptional load-bearing capacity for demanding applications
- Rockwell B80 hardness maintains structural integrity under repeated stress and vibration
- Partially threaded design allows for precise clamping force control and secure fastening
- Class 2A thread fit with UNC coarse threading ensures smooth installation and reliable engagement
- No. 3 Phillips drive offers efficient installation with standard driving tools
- Comprehensive compliance with ASME B18.6.3, RoHS 3, and REACH standards guarantees quality and safety
Professional Applications & Engineering Value
These passivated 18-8 stainless steel oval head screws deliver exceptional performance in corrosive environments where chemical resistance is critical. The partially threaded design provides optimal clamping force distribution, preventing material damage while maintaining secure fastening. With 80,000 psi tensile strength and Rockwell B80 hardness, these flat head screws withstand vibration and mechanical stress in industrial equipment, marine applications, and chemical processing systems. The UNC coarse threading ensures quick installation and reliable performance in various materials, while the oval head profile offers a flush finish that reduces snagging hazards. Ideal for applications requiring both corrosion resistance and structural integrity, these screws provide long-term reliability in demanding industrial settings.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse threading for consistent performance. These oval head Phillips screws comply with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. The fasteners are RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory adherence. The 1/4"-20 thread size with 2-3/4" length and partial threading provides optimal engagement for various material thicknesses while maintaining structural integrity.
