S-91781A189 8-32 x 3/16" 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 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
- High tensile strength of 80,000 psi ensures reliable, long-lasting fastening in demanding applications
- Precision Class 2A thread fit provides smooth installation and secure holding power with minimal risk of cross-threading
- Undercut flat head design allows for flush mounting, reducing snagging and improving aesthetic finish
- Fully threaded shank offers maximum grip length and uniform load distribution across the entire fastener
- 82° countersink angle ensures proper seating in standard countersunk holes for stable, vibration-resistant connections
- Compliance with ASME B18.6.3, RoHS 3, and REACH guarantees consistent quality and environmental safety for global supply chains
Professional Applications & Engineering Value
Engineered for precision and durability, these 8-32 UNC flat head screws in 18-8 stainless steel address critical industrial fastening challenges. The passivated finish significantly enhances corrosion resistance, making them suitable for applications exposed to moisture, chemicals, or outdoor elements. Their coarse thread spacing and Class 2A thread fit facilitate quick assembly while maintaining high clamping force, reducing installation time and labor costs. Commonly used in machinery, electronics, and automotive assemblies, these fully threaded screws with an 82° countersink angle provide reliable, flush-mount solutions that prevent loosening under vibration and thermal cycling, ensuring long-term operational integrity.
Specification Summary & Compliance
This 8-32 UNC flat head screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. Manufacturing adheres to ASME B18.6.3 specifications for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting sustainable procurement practices.
