S-91099A265 8-32 x 1/2" 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 holding power from 80,000 psi tensile strength and Rockwell B80 hardness for reliable, long-term fastening
- Effortless installation and flush seating with the Phillips No. 2 drive and 82° undercut flat head design
- Wide compatibility and secure fit thanks to UNC coarse thread spacing with Class 2A precision fit
- Maximum thread engagement from fully threaded design, ensuring uniform load distribution
- Regulatory peace of mind with full compliance to ASME B18.6.3, RoHS 3, and REACH standards
- Consistent performance in right-hand threaded applications with reliable, standardized dimensions
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 8-32 flat head machine screws deliver critical reliability where vibration, moisture, or chemical exposure are concerns. The passivated 18-8 stainless steel provides excellent resistance to oxidation and corrosion, extending service life in machinery, enclosures, and assembly fixtures. The undercut flat head with an 82° countersink angle ensures a flush, low-profile finish, reducing snag risks and improving aesthetics. Combined with a Phillips drive and UNC coarse threads, installation is swift and secure, minimizing assembly time while maintaining high tensile strength for structural integrity. Ideal for OEM and MRO uses across automotive, electronics, and general manufacturing sectors.
Specification Summary & Compliance
This screw meets precise dimensional standards, including Class 2A thread fit for consistent engagement and UNC coarse thread spacing. Manufacturing adheres to ASME B18.6.3 specifications, ensuring interchangeability and reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global supply chains.
