S-92210A020 3-48 x 3/16" ASME B18.3 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, ideal for harsh industrial environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term fastening
- Precision thread engagement with Class 3A fit and UNC coarse threads ensuring secure, vibration-resistant connections
- Efficient installation using a 1/16" hex drive, reducing assembly time and tool slippage
- Flush, professional finish with standard 82° countersink angle for seamless integration into surfaces
- Full threading along the 3/16" length provides maximum grip and load distribution across the entire fastener
- Compliance with major standards including ASME B18.3, RoHS 3, and REACH for guaranteed quality and environmental safety
Professional Applications & Engineering Value
These 3-48 UNC flat head screws are engineered to address critical challenges in precision assembly and machinery. The 18-8 stainless steel material, combined with a passivated finish, offers outstanding resistance to oxidation and chemical exposure, making them suitable for industrial applications in electronics, automotive, and aerospace sectors. The Class 3A thread fit and coarse thread spacing ensure quick, secure fastening even in high-vibration environments, reducing the risk of loosening. With a hex drive and standard flat head profile, these screws allow for easy installation in confined spaces, improving assembly efficiency and maintaining structural integrity under loads up to 70,000 psi.
Specification Summary & Compliance
These screws feature precise Class 3A thread fit per UNC standards, with a thread diameter of 0.099" and coarse spacing for optimal performance. Manufacturing adheres to ASME B18.3 specifications, ensuring dimensional accuracy and reliability. The products are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming they are free of hazardous substances and safe for various industrial uses.
