S-90471A205 6-32 x 1/4" ASME B18.6.3 Steel Phillips Flat Head Screws
Steel Phillips Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Optimal flush mounting with standard flat head profile and 100° countersink angle for seamless surface integration
- Enhanced driving efficiency through No. 2 Phillips drive design, reducing cam-out and tool slippage
- Reliable thread engagement with fully threaded UNC coarse spacing and Class 2A fit for consistent fastening performance
- Exceptional mechanical strength backed by Rockwell B70 hardness rating for high-load applications
- Broad industrial compatibility meeting ASME B18.6.3 specifications for standardized installation requirements
- Environmental compliance assurance with RoHS 3 and REACH regulations for safe, sustainable usage
Professional Applications & Engineering Value
These zinc-plated steel flat head machine screws deliver critical engineering solutions where surface flushness and corrosion resistance are paramount. The combination of UNC coarse threading and Class 2A thread fit ensures rapid installation with minimal cross-threading risk in assembly line environments. The 100° countersink angle provides optimal seating in precision-machined components, while the Rockwell B70 hardness maintains structural integrity under vibration and thermal cycling. Ideal for electrical enclosures, machinery panels, and automotive assemblies, these Phillips drive screws offer reliable performance in industrial maintenance and OEM manufacturing applications where consistent fastening quality and regulatory compliance are essential.
Specification Summary & Compliance
Manufactured to exact dimensional tolerances with Class 2A thread fit and UNC coarse thread spacing (6-32 size). Fully compliant with ASME B18.6.3 manufacturing specifications for dimensional accuracy and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring hazardous substance restriction compliance for global industrial applications.