S-90280A191 8-32 x 5/16" ASME B18.6.3 Steel Fillister Head Slotted Screws
Steel Fillister Head Slotted 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, extending service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable, vibration-resistant fastening for critical applications
- Class 2A thread fit provides consistent engagement and easier assembly while maintaining secure connections
- Fully threaded design offers maximum grip length and uniform load distribution across the entire fastener
- Fillister head profile combines high-strength engagement with a low-profile appearance for space-constrained applications
- Compliance with ASME B18.6.3 standards guarantees dimensional accuracy and interchangeability with other standardized components
- Rockwell B69 hardness provides excellent durability and resistance to deformation under load
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel fillister head slotted screws deliver exceptional engineering value across multiple industrial sectors. The combination of coarse threading and Class 2A thread fit ensures quick installation and reliable performance in vibration-prone environments, making them ideal for machinery assembly, electrical enclosures, and automotive components. The zinc plating provides a protective barrier against corrosion, significantly extending service life in humid or chemically aggressive settings. The fillister head design offers superior driver engagement compared to standard pan heads, while the slotted drive maintains compatibility with traditional tooling. With full threading along the entire 5/16" length, these screws distribute clamping forces evenly, preventing stress concentration and material damage in precision assemblies.
Specification Summary & Compliance
This 8-32 UNC screw features precise Class 2A thread fit tolerances and complies with ASME B18.6.3 manufacturing specifications for dimensional accuracy. The product meets RoHS 3 (2015/863/EU) compliance for restricted substances and REACH (EC 1907/2006) regulations regarding chemical safety. Manufactured from zinc-plated steel with right-hand coarse threading, the fastener delivers consistent performance across industrial applications while maintaining full regulatory compliance.
