S-91771A939 6-32 x 3/16" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat 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 with 80,000 psi tensile strength and Rockwell B80 hardness for reliable, long-term performance
- Precise Class 2A thread fit ensures smooth installation and secure fastening in coarse UNC threading applications
- Optimized Phillips No. 2 drive provides efficient torque transfer and reduces cam-out during installation
- 100° countersink angle and standard flat head profile allow for flush mounting and clean aesthetic finishes
- Full threading and right-hand direction enable maximum grip length and straightforward assembly
- Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH for guaranteed quality and safety
Professional Applications & Engineering Value
This 6-32 UNC flat head screw is engineered to address critical challenges in industrial assembly, where corrosion resistance and high tensile strength are paramount. The passivated 18-8 stainless steel material provides excellent protection against oxidation and chemical exposure, making it suitable for applications in electronics, machinery, and outdoor equipment. The coarse thread spacing and Class 2A thread fit ensure quick, reliable fastening in materials like aluminum and soft metals, reducing the risk of cross-threading. With its Phillips drive and fully threaded design, this fastener simplifies installation in tight spaces, enhancing assembly efficiency and maintaining structural integrity under dynamic loads.
Specification Summary & Compliance
This fastener adheres to ASME B18.6.3 specifications, with precise Class 2A thread fit and UNC coarse threading for consistent performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met. The screw features a 3/16" length, 100° countersink angle, and is manufactured to maintain dimensional accuracy and mechanical properties as specified.
