S-92210A604 5/16"-24 x 1 1/4" 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 and passivated finish for long-lasting performance in harsh environments.
- Exceptional Thread Precision with Class 3A fit and UNF fine threads ensures reliable, vibration-resistant connections.
- High Tensile Strength rated at 70,000 psi provides dependable load-bearing capacity for demanding applications.
- Secure Hex Drive Installation with 3/16" drive size allows for high torque application without slippage.
- Flush Mounting Capability featuring an 82° countersink angle and standard flat head profile for seamless surface integration.
- Full Thread Engagement along the 1-1/4" length offers maximum grip and uniform stress distribution.
- Regulatory Compliance Assurance meeting ASME B18.3, RoHS 3, and REACH standards for safe, quality-guaranteed use.
Professional Applications & Engineering Value
Engineered for precision industrial fastening, these 5/16"-24 UNF Class 3A flat head screws address critical needs in machinery, aerospace, and marine sectors where vibration resistance and corrosion prevention are paramount. The 18-8 stainless steel construction, enhanced by a passivated finish, combats oxidation and chemical exposure, extending service life in aggressive settings. The fine thread spacing and Class 3A thread fit minimize loosening under dynamic loads, while the hex drive design ensures efficient installation in confined spaces. Ideal for assemblies requiring flush surfaces and high tensile strength, these screws deliver consistent performance in precision applications like equipment panels, structural frameworks, and automotive components.
Specification Summary & Compliance
This screw adheres to inch system dimensions with a 5/16"-24 UNF thread size, Class 3A tolerance for precise fit, and fully threaded 1-1/4" length. Manufacturing conforms to ASME B18.3 specifications, ensuring dimensional accuracy and reliability. It is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, guaranteeing environmental safety and regulatory adherence for global industrial use.
