S-91802A585 5/16"-18 x 1 1/4" 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 with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional tensile strength of 80,000 psi ensures reliable, long-lasting fastening under high-stress conditions
- Optimized thread engagement with fully threaded UNC coarse design for faster installation and vibration resistance
- Precise Class 2A thread fit guarantees consistent performance and easy assembly in manufacturing applications
- Flush-mounted oval head design provides a smooth, professional finish while preventing snagging
- Broad regulatory compliance with ASME B18.6.3, RoHS 3, and REACH ensures safety and environmental standards are met
- Enhanced durability with Rockwell B80 hardness for reduced wear and extended service life
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these passivated 18-8 stainless steel oval head screws deliver exceptional performance where corrosion resistance and structural integrity are critical. The fully threaded UNC coarse thread design accelerates assembly in production lines while maintaining secure fastening in vibrating machinery, automotive components, and outdoor equipment. The oval head profile sits flush with surfaces, eliminating protrusions that could compromise safety or aesthetics in finished products. With a Phillips No. 4 drive, installers benefit from efficient torque transfer without stripping, making these flat head screws ideal for high-volume manufacturing, marine hardware, and chemical processing installations where reliability cannot be compromised.
Specification Summary & Compliance
This screw maintains Class 2A thread fit tolerances per UNC standards, ensuring consistent threading across industrial applications. Manufacturing adheres to ASME B18.6.3 specifications for dimensional accuracy, while full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and material restrictions are met for global supply chain integration.
