S-99926A114 8-32 x 1/4" Stainless Steel Hex Drive Flat Head Screws
Stainless Steel Hex Drive 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 18-8 stainless steel construction and passivated finish for extended service life in harsh environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable performance under heavy loads
- Precise thread engagement with Class 3A fit ensuring consistent, vibration-resistant fastening in critical applications
- Optimized flush mounting featuring 100° countersink angle and undercut flat head design for seamless surface integration
- Enhanced installation efficiency with 5/64" hex drive providing secure tool engagement and reduced slippage
- Versatile partial threading allowing precise clamping control while maintaining unthreaded shank strength
- Full regulatory compliance meeting RoHS 3 and REACH standards for global industrial applications
Professional Applications & Engineering Value
These 8-32 UNC flat head screws deliver critical engineering solutions where flush surface mounting and corrosion resistance are paramount. The 18-8 stainless steel composition combined with passivated finish provides exceptional protection against chemical exposure and atmospheric corrosion, making them ideal for industrial equipment, electronic enclosures, and marine applications. The Class 3A thread fit ensures precise tolerance control for vibration-prone assemblies, while the 100° countersink angle and undercut head design prevent surface protrusion in precision machinery. The coarse thread spacing facilitates quick installation in soft materials and blind holes, reducing assembly time without compromising joint integrity.
Specification Summary & Compliance
This 1/4" length flat head screw features 8-32 UNC coarse threads with Class 3A precision fit for superior thread engagement. Manufacturing adheres to inch system standards with partially threaded design and right-hand thread direction. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material transparency for global industrial applications.
