S-91858A199 8-32 x 1" ASME B18.6.3 Stainless Steel Slotted Flat Head Screws
Stainless Steel Slotted 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 316 stainless steel and passivated finish, ideal for harsh or marine environments
- High tensile strength of 70,000 psi ensures reliable load-bearing capacity and joint integrity in demanding applications
- Class 2A thread fit provides consistent, easy assembly and secure fastening with standard UNC coarse threads
- 82° countersink angle and flat head design allows for flush mounting, reducing snagging and improving aesthetics
- Fully threaded shank offers maximum grip length and adjustment flexibility across the entire fastener
- Rockwell B80 hardness delivers excellent durability and resistance to wear during installation and service
- Compliance with ASME, RoHS 3, and REACH ensures material safety and meets rigorous industrial standards
Professional Applications & Engineering Value
These 8-32 UNC flat head screws are engineered to address common industrial challenges such as corrosion, vibration loosening, and assembly efficiency. The 316 stainless steel material, combined with a passivated finish, provides exceptional resistance to chemicals, saltwater, and oxidation, making them suitable for marine equipment, chemical processing, and outdoor installations. The coarse UNC threads and Class 2A fit ensure quick, reliable engagement even in materials prone to stripping, while the slotted drive allows for straightforward manual or automated installation. With a fully threaded design and 82° countersink, these screws enable secure, flush-mount fastening in panels, machinery, and structural components, reducing maintenance needs and enhancing operational longevity.
Specification Summary & Compliance
This product adheres to Class 2A thread fit per UNC standards, ensuring precise dimensional accuracy and interchangeability. Manufacturing and material specifications comply with ASME B18.6.3 for consistent quality and performance. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting environmentally responsible sourcing.
