S-90585A143 10-32 x 3" 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 and passivated finish, ideal for harsh industrial environments
- High-strength performance offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-term fastening
- Precise thread engagement with Class 3A fit and UNF fine threads, ensuring secure connections and reduced vibration loosening
- Easy installation and flush finish thanks to the standard 82° countersink angle and hex drive design
- Full thread coverage across the 3" length, providing maximum grip and load distribution in assemblies
- Compliance with industry standards including ASME B18.3, ensuring dimensional accuracy and interchangeability
- Environmental and safety compliance with RoHS 3 and REACH, supporting sustainable and safe manufacturing practices
Professional Applications & Engineering Value
This 316 Stainless Steel Flat Head Screw is engineered to address critical challenges in demanding applications where corrosion resistance, strength, and precision are paramount. The UNF fine thread and Class 3A thread fit provide excellent vibration resistance and secure fastening in machinery, marine equipment, and chemical processing systems. The passivated finish enhances durability against oxidization, while the flat head with 82° countersink allows for a smooth, flush surface in assembled components. Fully threaded along its 3" length, it ensures uniform stress distribution, making it ideal for industrial applications that require reliable performance under high tensile loads and corrosive conditions.
Specification Summary & Compliance
This screw adheres to strict dimensional tolerances, including a Class 3A thread fit and specifications per ASME B18.3 (referencing ASTM F879). It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for global industrial use. Manufactured in the inch system with a right-hand thread and fully threaded design, it guarantees precision and reliability in professional settings.
