S-90471A350 10-32 x 3/8" ASME B18.6.3 Steel Phillips Flat Head Screws
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 zinc plating that protects against rust and extends service life in demanding environments
- Exceptional holding power from fully threaded design and 60,000 psi tensile strength for reliable, vibration-resistant fastening
- Precise flush installation with standard 100° countersink angle and flat head profile for seamless, professional finishes
- Optimized drive engagement with No. 2 Phillips drive that reduces cam-out and improves installation efficiency
- Consistent thread performance through Class 2A thread fit and UNF fine threads that ensure accurate mating and reduced cross-threading
- Enhanced durability with Rockwell B70 hardness that maintains structural integrity under repeated stress
- Broad compliance coverage meeting ASME B18.6.3, RoHS 3, and REACH standards for guaranteed quality and environmental safety
Professional Applications & Engineering Value
These 10-32 UNF flat head screws deliver critical solutions for applications requiring flush surface mounting and reliable fastening under mechanical stress. The zinc-plated steel construction provides essential corrosion protection for electronics enclosures, machinery panels, and automotive assemblies where environmental exposure is a concern. With fine threading and Class 2A thread fit, these screws prevent loosening from vibration while ensuring precise engagement in tapped holes. The combination of 60,000 psi tensile strength and Rockwell B70 hardness makes them ideal for high-stress applications where fastener failure is not an option. The standard 100° countersink angle allows for seamless integration in precision manufacturing, reducing assembly time while maintaining clean aesthetic finishes.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerances for consistent performance. These 10-32 UNF flat head screws feature complete full threading and standard 100° countersink angle. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.
