S-90585A151 3/8"-16 x 5" 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 with 316 stainless steel construction and passivated finish, ideal for harsh industrial environments
- Exceptional mechanical strength delivering 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
- Precise Class 3A thread fit ensures reliable engagement and vibration resistance in critical assemblies
- Full threading with UNC coarse spacing provides faster installation and superior holding power
- Standard 82° countersink angle enables flush mounting for clean, professional finishes
- Hex drive (7/32") compatibility allows high-torque installation with common industrial tools
- Comprehensive compliance with ASME B18.3, ASTM F879, RoHS 3 and REACH for guaranteed quality and safety
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these 316 stainless steel flat head screws combine exceptional corrosion resistance with high tensile strength to withstand aggressive environments including chemical processing, marine installations, and food processing equipment. The passivated finish enhances surface durability while the Class 3A thread fit and UNC coarse threading ensure secure fastening in high-vibration applications. The 82° countersink design provides flush mounting capabilities for applications requiring smooth surface profiles, while the hex drive configuration enables efficient installation in confined spaces. These fully threaded screws deliver consistent performance where reliability and longevity are critical.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit tolerance and UNC coarse thread specifications. Complies with ASME B18.3 and ASTM F879 manufacturing standards, ensuring consistent quality and performance. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance requirements for environmental safety and regulatory adherence in industrial applications worldwide.
