S-93791A410 6-32 x 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
- Exceptional corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments.
- Enhanced durability and wear resistance due to the black-oxide, passivated finish.
- Superior thread engagement and reliability with a precise Class 3A thread fit for high-strength applications.
- High tensile strength of 70,000 psi ensures secure, long-lasting fastening under significant load.
- Optimal flush mounting with a standard 82° countersink angle and flat head design.
- Efficient installation and removal using a common 5/64" hex drive, reducing assembly time.
- Full threading for maximum grip along the entire 1/4" length, providing consistent holding power.
Professional Applications & Engineering Value
These 6-32 UNC flat head screws are engineered to address critical fastening challenges in demanding sectors. The 18-8 stainless steel core provides excellent resistance to rust and corrosion, making them suitable for outdoor equipment, marine hardware, and chemical processing applications where environmental factors degrade lesser materials. The black-oxide, passivated finish further enhances surface hardness and reduces galling during installation. With a coarse thread spacing and Class 3A thread fit, these screws offer rapid assembly and high vibration resistance, preventing loosening in machinery, automotive assemblies, and electronic enclosures. The fully threaded design and 82° countersink angle ensure a secure, flush fit in pre-drilled holes, vital for aerospace components and precision instruments where surface profile and reliability are paramount.
Specification Summary & Compliance
This screw meets precise dimensional standards with a Class 3A thread fit and UNC coarse thread specification. Manufacturing and quality are governed by ASME B18.3. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for various industrial and consumer applications.
