S-90280A190 8-32 x 1/4" 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 harsh environments.
- High-strength performance with 60,000 psi tensile strength and Rockwell B69 hardness for reliable load-bearing in demanding assemblies.
- Effortless installation and removal using the slotted drive style, compatible with standard tools for efficient maintenance.
- Optimal thread engagement with Class 2A thread fit and coarse UNC threading, reducing cross-threading risks and ensuring secure fastening.
- Enhanced clearance and aesthetic finish from the high, narrow rounded fillister head, ideal for applications requiring a low-profile yet robust fastener.
- Full threading along the 1/4" length provides consistent grip and versatility across various material thicknesses.
- Compliance with industry standards including ASME B18.6.3, RoHS 3, and REACH, ensuring safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
Engineered for precision and durability, this 8-32 UNC zinc-plated steel fillister head screw addresses common industrial challenges such as vibration loosening and environmental degradation. The zinc plating offers a protective barrier against moisture and chemicals, crucial for outdoor equipment, automotive assemblies, and electronic enclosures. Its coarse thread spacing and Class 2A thread fit facilitate quick installation in soft metals or plastics, minimizing assembly time while maintaining joint integrity. The slotted drive and fully threaded design ensure broad compatibility and firm holding power, making it a reliable choice for machinery, consumer appliances, and retrofit projects where consistent performance under stress is non-negotiable.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including UNC thread type with Class 2A thread fit for consistent accuracy. It meets ASME B18.6.3 specifications for dimensional and mechanical properties, ensuring interoperability in industrial systems. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), it supports environmentally responsible manufacturing and usage, free from restricted hazardous substances.
