S-92210A642 3/8"-24 x 1" 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.
- High-strength fastening with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term load-bearing applications.
- Precise Class 3A thread fit ensures tighter tolerances and secure mating in critical assemblies, reducing the risk of loosening.
- Efficient hex drive (7/32") allows for high-torque installation and easy removal with standard tools, minimizing assembly time.
- Optimal flush mounting with an 82° countersink angle and standard flat head profile for a smooth, unobtrusive surface finish.
- Full threading along the 1" length provides maximum grip and uniform stress distribution in deep or variable material thicknesses.
- Compliance with ASME B18.3 and environmental regulations guarantees consistent quality and safe use in regulated industries.
Professional Applications & Engineering Value
These 3/8"-24 UNF Class 3A flat head screws are engineered to address common industrial challenges such as vibration-induced loosening and corrosion in demanding settings. The 18-8 stainless steel material combined with a passivated finish offers excellent resistance to oxidation and chemical exposure, making them suitable for machinery, automotive, and marine applications. The fine thread spacing and Class 3A fit provide superior holding power in precision equipment, while the hex drive design ensures quick, secure fastening even in confined spaces. By delivering high tensile strength and durability, these screws reduce maintenance needs and enhance the longevity of assembled components.
Specification Summary & Compliance
This screw features a 3/8"-24 UNF fine thread with Class 3A tolerance for precise fit, right-hand thread direction, and fully threaded 1" length. It conforms to ASME B18.3 specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and reliability in industrial use.
