S-90585A716 1/2"-13 x 1 1/2" 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 316 stainless steel construction, ideal for harsh environments and chemical exposure
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable load-bearing performance
- Precise Class 3A thread fit ensures secure, vibration-resistant fastening in critical assemblies
- Efficient hex drive installation with 5/16" drive size for high-torque application and reduced tool slippage
- Enhanced durability through passivated surface treatment, improving corrosion resistance and surface longevity
- Full threading design provides consistent engagement along the entire 1-1/2" length for maximum holding power
- Industry compliance assurance meeting ASME B18.3 specifications and environmental regulations including RoHS 3 and REACH
Professional Applications & Engineering Value
These 316 stainless steel flat head screws deliver exceptional performance in demanding industrial applications where corrosion resistance and structural integrity are paramount. The combination of UNC coarse threading and Class 3A thread fit provides superior vibration resistance in heavy machinery, marine equipment, and chemical processing systems. The 82° countersink angle ensures flush mounting in precision assemblies while the hex drive design allows for high-torque installation without cam-out. Engineered with full threading and passivated finish, these fasteners maintain reliability in extreme conditions, making them ideal for structural applications, offshore platforms, and food processing equipment where corrosion resistance and regulatory compliance are critical requirements.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit tolerance and UNC coarse thread profile. Complies with ASME B18.3 specifications for dimensional accuracy and performance requirements. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) standards. Features include 1/2"-13 UNC thread size, 1-1/2" fully threaded length, and standardized 82° flat head profile for consistent performance across industrial applications.
