S-90275A207 8-32 x 2 1/2" 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 from 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening under stress
- Precise thread engagement with Class 2A UNC coarse threads ensuring consistent fit and reduced cross-threading risks
- Full-length threading provides maximum grip along the entire 2 1/2" length for versatile application depths
- Flush mounting capability with standard 82° countersink angle and flat head design for smooth surface finishes
- Broad industrial compliance meeting ASME B18.6.3 specifications plus RoHS 3 and REACH environmental standards
- Universal compatibility with inch-system components and standard slotted drive for common tool access
Professional Applications & Engineering Value
These 8-32 UNC flat head slotted screws deliver critical engineering solutions where flush surface mounting and high tensile strength are paramount. The zinc-plated steel construction provides essential corrosion protection for industrial equipment, machinery assemblies, and outdoor applications where environmental exposure is a concern. The Class 2A thread fit with UNC coarse spacing ensures rapid installation and reliable performance in vibration-prone environments. The fully threaded design allows for adjustable engagement depth across various material thicknesses, while the 82° countersink angle creates seamless integration with standard chamfered holes. These industrial fasteners are engineered to maintain integrity under 60,000 psi loads, making them ideal for critical structural applications requiring dependable, long-term fastening solutions.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance per UNC standards. Complies with ASME B18.6.3 mechanical specifications for flat head slotted screws. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Features right-hand UNC coarse threads with complete threading along the 2 1/2" length and standard 82° countersink profile.
