S-90273A413 8-32 x 3/16" 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-strength performance with 60,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing applications
- Effortless installation with Phillips No. 2 drive and 82° countersink angle providing flush, secure seating
- Optimized thread engagement through UNC coarse threading and Class 2A fit ensuring vibration-resistant connections
- Maximum fastening coverage with fully threaded design for superior holding power across the entire 3/16" length
- Industry-standard compatibility meeting ASME B18.6.3 specifications for consistent quality and interchangeability
- Environmental compliance with RoHS 3 and REACH regulations for safe use in regulated industries
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel flat head screws deliver exceptional engineering value through their specialized undercut flat head profile and coarse thread spacing, specifically designed to address common industrial fastening challenges. The combination of zinc-plated steel material and fully threaded construction provides superior resistance to vibration loosening and environmental degradation, making them ideal for machinery assembly, electrical enclosures, and automotive components where reliable, flush-mounted fastening is critical. The 82° countersink angle ensures perfect seating in tapered holes, while the Phillips drive style facilitates quick installation without compromising torque transmission capabilities.
Specification Summary & Compliance
These flat head screws maintain precise Class 2A thread fit tolerances with 0.164" thread diameter and 3/16" length dimensions. Manufacturing complies with ASME B18.6.3 standards for dimensional accuracy and performance. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across various industrial sectors.
