S-92210A631 3/8"-16 x 1 7/8" ASME B18.3, ASTM F879 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 thanks to 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 performance under high stress.
- Precise, secure fastening ensured by Class 3A thread fit and UNC coarse threading, reducing the risk of loosening in vibration-prone applications.
- Efficient installation and flush seating with a standard 82° countersink angle and hex drive, allowing for quick assembly and a smooth surface finish.
- Full-length threading provides maximum grip and load distribution along the entire 1-7/8" length, enhancing joint integrity.
- Compliance with major industry standards including ASME B18.3 and ASTM F879, ensuring quality and interchangeability.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements.
Professional Applications & Engineering Value
This 3/8"-16 UNC flat head screw is engineered to address critical challenges in industrial assembly, such as vibration resistance and corrosion in demanding settings. The 18-8 stainless steel material, combined with a passivated finish, offers long-term durability against moisture and chemicals, reducing maintenance costs. Its hex drive and standard 82° countersink angle enable quick, secure installation in machinery, automotive, and structural applications, ensuring a flush fit that minimizes protrusion. With a coarse thread and Class 3A fit, it provides reliable clamping force in coarse-grained materials, making it a go-to choice for heavy-duty industrial fasteners where precision and strength are paramount.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including Class 3A thread fit and UNC coarse threading for consistent performance. It meets ASME B18.3 and ASTM F879 specifications, ensuring manufacturing quality. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), supporting environmental and safety regulations.
