S-91858A843 6-32 x 5/16" 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 316 stainless steel construction for extended service life in harsh environments
- Reliable mechanical performance with 70,000 psi tensile strength and Rockwell B80 hardness for secure fastening
- Precision thread engagement with Class 2A fit and UNC coarse threads ensuring consistent installation
- Enhanced surface protection through passivated finish that improves corrosion resistance
- Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy
- Environmental regulation adherence with RoHS 3 and REACH compliance for global applications
- Optimal flush mounting with 82° countersink angle and flat head design for clean surface finishes
Professional Applications & Engineering Value
These 6-32 UNC flat head screws in 316 stainless steel deliver exceptional performance in demanding industrial environments where corrosion resistance is critical. The passivated finish provides an additional protective layer against chemical exposure and atmospheric conditions, making them ideal for marine, chemical processing, and food industry applications. The Class 2A thread fit ensures consistent installation torque and reliable clamping force, while the coarse thread spacing facilitates quicker assembly and reduces cross-threading risks. The flat head design with standard profile allows for flush mounting in countersunk holes, creating smooth surface finishes essential for aesthetic and safety requirements in machinery, equipment panels, and structural assemblies.
Specification Summary & Compliance
This fastener maintains Class 2A thread fit tolerance per UNC standards with 5/16" length and coarse thread spacing. Manufacturing conforms to ASME B18.6.3 specifications for dimensional accuracy and performance requirements. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.
