S-91099A205 6-32 x 1/4" 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
- Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Superior holding power from 80,000 psi tensile strength and Rockwell B80 hardness for reliable, long-term fastening
- Efficient installation and flush seating thanks to the Phillips No. 2 drive and 82° undercut flat head design
- Wide compatibility and secure fit with 6-32 UNC coarse threads and Class 2A thread fit for common applications
- Full thread engagement along the 1/4" length ensures maximum grip and load distribution
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for safe, quality use
- Durable, right-hand threading provides consistent performance in automated or manual assembly processes
Professional Applications & Engineering Value
These 6-32 UNC flat head screws are engineered to address common industrial challenges such as vibration loosening, corrosion in moist or chemical environments, and the need for precise, flush mounting. The passivated 18-8 stainless steel material offers excellent resistance to rust and oxidation, extending service life in applications like electronics enclosures, machinery panels, and automotive assemblies. The undercut flat head with an 82° countersink angle ensures a smooth, seated finish that minimizes protrusion and improves aerodynamics or safety. Combined with a Phillips drive and coarse threads, these screws enable quick, secure installations in metals and plastics, reducing assembly time while maintaining high tensile strength for demanding operational loads.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including Class 2A thread fit for consistent engagement and UNC coarse threading (6-32 size) with right-hand direction. Manufacturing and quality are governed by ASME B18.6.3 specifications, ensuring reliability in industrial fastening. Additionally, the screws are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming they are free of hazardous substances and suitable for global supply chains.
