S-91802A587 5/16"-18 x 1 1/2" 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 with passivated 18-8 stainless steel construction, ideal for harsh industrial environments.
- Exceptional mechanical strength offering 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance.
- Optimized drive engagement with Phillips No. 4 drive style, reducing cam-out and improving installation efficiency.
- Secure coarse threading using UNC threads with Class 2A fit for quick assembly and vibration resistance.
- Full-threaded design ensures maximum grip length and uniform stress distribution along the entire fastener.
- Standard-compliant reliability meeting ASME B18.6.3 specifications for consistent quality and interchangeability.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
These oval head Phillips screws are precision-engineered from passivated 18-8 stainless steel to address common challenges in industrial assembly, including corrosion, mechanical stress, and installation speed. The UNC coarse threading and Class 2A thread fit enable rapid fastening with reduced cross-threading risks, while the fully threaded design provides consistent clamping force in materials like metal, wood, and composites. The oval head profile offers a flush finish, minimizing protrusion in applications such as machinery housings, electrical enclosures, and construction frameworks. With high tensile strength and corrosion resistance, these screws deliver long-term reliability in demanding environments, from outdoor structures to marine equipment.
Specification Summary & Compliance
This fastener features a 5/16"-18 UNC coarse thread with Class 2A dimensional tolerance, ensuring precise fit and interchangeability. Manufacturing adheres to ASME B18.6.3 standards for consistent quality. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its environmental safety and suitability for global industrial use.
