S-92210A683 7/16"-20 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 construction and passivated finish, ideal for harsh environments
- Exceptional tensile strength rated at 70,000 psi ensures reliable performance under high-stress conditions
- Precise Class 3A thread fit provides superior engagement and vibration resistance in critical assemblies
- Optimized flush mounting with standard 82° countersink angle for seamless surface integration
- Enhanced drive stability through 1/4" hex drive design prevents cam-out during installation
- Full threading coverage along the 1-1/4" length maximizes grip strength and load distribution
- Industry compliance assurance meeting ASME B18.3 specifications for dimensional reliability
Professional Applications & Engineering Value
These 7/16"-20 UNF flat head screws deliver critical performance advantages in precision engineering applications where material integrity and dimensional accuracy are paramount. The combination of 18-8 stainless steel with passivated finish provides exceptional resistance to corrosion and chemical exposure, making these hex drive screws ideal for marine, chemical processing, and food equipment applications. The Class 3A thread fit ensures minimal backlash and superior vibration resistance in dynamic load environments, while the 82° countersink angle facilitates perfect flush mounting in precision machinery and structural components. With fully threaded design maximizing engagement surface, these industrial flat head screws maintain consistent clamping force even under thermal cycling and mechanical stress.
Specification Summary & Compliance
Manufactured to exacting inch system dimensions with Class 3A thread fit tolerance per UNF standards. Complies with ASME B18.3 specifications for dimensional consistency and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance standards. Features fine thread spacing (20 TPI) for enhanced load distribution and Rockwell B55 hardness for optimal durability.
