S-92210A639 3/8"-16 x 5" 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 construction and passivated finish, ensuring longevity in harsh environments.
- High tensile strength of 70,000 psi and Rockwell B55 hardness for reliable performance under heavy loads and stress.
- Precise Class 3A thread fit and UNC coarse threading for secure, vibration-resistant fastening in industrial assemblies.
- Efficient hex drive (7/32") allows for quick installation and removal with standard tools, reducing assembly time.
- Standard 82° countersink angle and flat head design provide a flush finish, minimizing protrusion and improving safety.
- Full threading along the 5" length ensures consistent grip and adjustability across various material thicknesses.
- Compliance with ASME B18.3, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
This 3/8"-16 UNC flat head screw is engineered from 18-8 stainless steel with a passivated finish to combat corrosion in demanding settings like machinery, construction, and marine applications. The coarse thread and Class 3A fit deliver superior resistance to loosening under vibration, while the hex drive ensures easy torque application without slippage. Ideal for securing components where a flush surface is critical, such as in assembly lines or structural frameworks, it solves common issues of fastener failure and maintenance downtime, offering reliable performance backed by 70,000 psi tensile strength and full compliance with major standards.
Specification Summary & Compliance
This screw features a 3/8"-16 UNC thread size with Class 3A thread fit for high precision, and it is manufactured to ASME B18.3 specifications. The inch-based dimensions include a 5" length, 0.781" head diameter, and standard flat head profile. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets environmental and safety regulations for industrial use.
