S-92210A440 3/8"-16 x 8" 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
- Exceptional corrosion resistance with 18-8 stainless steel and passivated finish for long-term reliability in harsh environments
- Superior load-bearing capability with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Precise, vibration-resistant fastening ensured by Class 3A thread fit and UNC coarse threads
- Efficient installation and removal with 7/32" hex drive, reducing tool slippage and assembly time
- Full-length threading provides consistent grip strength across the entire 8-inch length
- Standard 82° countersink angle allows for flush mounting in prepared surfaces
- Compliance with major industrial standards including ASME B18.3, RoHS 3, and REACH for quality assurance
Professional Applications & Engineering Value
This 3/8"-16 UNC flat head screw delivers critical engineering advantages for industrial applications where structural integrity and corrosion resistance are paramount. The combination of 18-8 stainless steel construction and passivated finish provides exceptional protection against chemical exposure and atmospheric corrosion, making it ideal for marine equipment, food processing machinery, and outdoor structures. The Class 3A thread fit and coarse threading ensure secure fastening in materials prone to vibration loosening, while the flat head design with hex drive offers countersunk installation with high torque capability. These features collectively address common failure points in heavy-duty assemblies, providing reliable performance where standard fasteners might compromise safety or require frequent maintenance.
Specification Summary & Compliance
This fully threaded 8-inch flat head screw features precision 3/8"-16 UNC coarse threads with Class 3A fit for superior dimensional accuracy. Manufacturing complies with ASME B18.3 specifications for consistent quality and interchangeability. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements, ensuring environmental responsibility and regulatory adherence for global industrial applications.