S-90471A276 8-32 x 1" 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-plated steel construction for extended service life in demanding environments
- High-load bearing capacity with 60,000 psi tensile strength ensuring reliable fastening in structural applications
- Optimized drive engagement through Phillips No. 2 drive design preventing cam-out and improving installation efficiency
- Precise thread alignment with Class 2A thread fit reducing cross-threading risks during assembly
- Flush surface finishing enabled by 100° countersink angle and standard flat head profile for seamless integration
- Enhanced material durability with Rockwell B70 hardness maintaining structural integrity under vibration and stress
- Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial use
Professional Applications & Engineering Value
These zinc-plated steel flat head screws deliver exceptional performance in machinery assembly, electrical enclosures, and automotive components where flush mounting and corrosion resistance are critical. The UNC coarse threading provides rapid installation in soft materials and plastics, while the fully threaded design ensures maximum grip length across joint variations. The Phillips No. 2 drive system offers familiar, tool-compatible fastening for maintenance teams, reducing installation time and tooling costs. Engineered to withstand vibration-induced loosening and environmental exposure, these screws maintain clamping force integrity in dynamic industrial settings where reliability cannot be compromised.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit ensuring dimensional accuracy and interchangeability. The UNC 8-32 coarse thread maintains consistent pitch alignment, while the standard flat head profile with 100° countersink angle guarantees proper seating. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety standards are met for international supply chain integration.
