S-98164A439 6-32 x 1/8" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws
Stainless Steel Button Head Hex-Drive 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 industrial and marine environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting fastening
- Precise thread engagement through Class 3A thread fit and fully threaded 6-32 UNC coarse design, ensuring vibration resistance and secure installation
- Enhanced surface protection with passivated finish, providing added defense against chemical exposure and oxidation
- Easy installation and removal with 5/64" hex drive and rounded button head design, reducing tool slippage and assembly time
- Broad regulatory compliance meeting ASME B18.3 standards, RoHS 3, and REACH, ensuring safety and environmental responsibility
- Versatile coarse threading for quicker assembly in a wide range of materials, from metal to plastic components
Professional Applications & Engineering Value
Engineered for demanding environments, these 316 stainless steel rounded head screws deliver unmatched performance where corrosion and mechanical stress are concerns. The passivated finish significantly extends service life by resisting acids, salts, and moisture, making them perfect for marine applications, chemical processing equipment, and outdoor infrastructure. The 6-32 UNC coarse thread and Class 3A fit provide superior holding power, reducing the risk of loosening under vibration—common in machinery and transportation sectors. With a fully threaded design and hex drive, these screws ensure quick, reliable fastening in tight spaces, enhancing productivity in assembly lines and maintenance operations.
Specification Summary & Compliance
This screw features a 6-32 UNC coarse thread with Class 3A thread fit for precise dimensional accuracy, ensuring consistent performance in high-stress applications. Manufactured in compliance with ASME B18.3 specifications, it guarantees uniformity and reliability. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to strict environmental and safety standards for global industrial use.
