S-90585A990 10-32 x 5/8" 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 and passivated finish, ideal for harsh industrial environments
- Exceptional thread precision with Class 3A fit ensures reliable, vibration-resistant connections in critical assemblies
- High tensile strength of 70,000 psi provides dependable load-bearing capacity for demanding applications
- Rockwell B55 hardness offers excellent durability and resistance to wear during installation and use
- 82° countersink angle and flat head design enables flush mounting for smooth, aerodynamic, and safe surfaces
- Fully threaded construction maximizes grip and holding power along the entire screw length
- Hex drive compatibility allows for secure, high-torque installation with standard tools
Professional Applications & Engineering Value
This 10-32 UNF flat head screw in 316 stainless steel addresses critical challenges in industrial settings where corrosion resistance and precision are paramount. The Class 3A thread fit and fine UNF threading deliver superior clamping force and vibration resistance, preventing loosening in machinery, electronics, and marine equipment. The passivated finish enhances the innate corrosion resistance of 316 stainless steel, making it suitable for chemical processing, outdoor installations, and high-humidity environments. With its flat head profile and 82° countersink, it provides a seamless finish that reduces snagging and improves aesthetics in assembled products, ensuring long-term reliability and compliance with rigorous engineering standards.
Specification Summary & Compliance
This screw adheres to inch system dimensions with a Class 3A thread fit per UNF standards, ensuring precise tolerances for thread diameter and spacing. It meets ASME B18.3 specifications for flat head screws and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global industrial use without hazardous substances.
