S-90275A209 8-32 x 3" ASME B18.6.3 Steel Slotted Flat Head Screws
Steel Slotted 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
- Enhanced corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
- Superior holding power with 60,000 psi tensile strength and Rockwell B70 hardness for reliable heavy-duty applications
- Optimized thread engagement through UNC coarse threading and Class 2A fit ensuring secure fastening and vibration resistance
- Full-length threading provides maximum grip along the entire 3" length for superior load distribution
- Standard 82° countersink angle enables flush mounting in prepared surfaces for clean, professional finishes
- Slotted drive compatibility with common tools for straightforward installation and maintenance
- Regulatory compliance with ASME B18.6.3, RoHS 3, and REACH standards for quality assurance and environmental safety
Professional Applications & Engineering Value
These 8-32 UNC flat head screws deliver exceptional engineering value through their zinc-plated steel construction and precision coarse threading. The combination of 60,000 psi tensile strength and Rockwell B70 hardness addresses critical industrial challenges where vibration resistance and structural integrity are paramount. The fully threaded design ensures maximum surface contact for superior load distribution in metal fabrication, machinery assembly, and structural applications. The standard 82° countersink angle facilitates seamless integration into prepared surfaces, eliminating protrusions while maintaining structural integrity. These industrial fasteners are engineered to withstand demanding conditions while providing reliable, long-term fastening solutions for OEM and MRO applications.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse threading (8-32 size) and right-hand thread direction. Compliant with ASME B18.6.3 manufacturing specifications, ensuring dimensional accuracy and performance reliability. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for safe usage across global markets. Features include 0.312" head diameter, 0.1" head height, and standard flat head profile with slotted drive style.
