S-99355A120 6-32 x 1/2" ASME B18.3 Tamper-Resistant Asymmetrical-Drive Stainless Steel Button Head Screws
Tamper-Resistant Asymmetrical-Drive Stainless Steel Button 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 18-8 stainless steel construction, ideal for harsh environments and long-term reliability
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B70 hardness for demanding applications
- Reliable thread engagement with UNC coarse spacing and Class 2A thread fit ensuring secure fastening and vibration resistance
- Full threading design provides consistent holding power along the entire 1/2" length for maximum load distribution
- ASME B18.3 compliance guarantees dimensional accuracy and interchangeability in precision assemblies
- Environmental compliance with RoHS 3 and REACH certifications for safe use in regulated industries
- User-friendly installation featuring U10 asymmetrical drive and rounded button head for reduced cam-out and clean aesthetics
Professional Applications & Engineering Value
Engineered for industrial applications where corrosion resistance and mechanical reliability are critical, these 18-8 stainless steel rounded head screws deliver exceptional performance in demanding environments. The UNC coarse thread with Class 2A fit ensures rapid assembly and secure fastening even in vibrating machinery, while the fully threaded design maximizes grip length for superior load distribution. The U10 asymmetrical drive minimizes stripping during high-torque installation, making these ASME B18.3 compliant fasteners ideal for precision equipment, electronic enclosures, and automotive assemblies where consistent performance and regulatory compliance are mandatory.
Specification Summary & Compliance
This 6-32 UNC thread screw maintains precise Class 2A thread fit tolerances with coarse spacing, manufactured to ASME B18.3 specifications for dimensional consistency. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. With 1/2" length and fully threaded construction, it delivers reliable performance meeting rigorous industrial standards.
