S-92949A818 6-32 x 3" ASME B18.3, ASTM F879 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 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
- Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable, long-lasting fastening.
- Precise and secure fit ensured by Class 3A thread fit and UNC coarse thread profile, reducing the risk of cross-threading and loosening.
- Efficient installation and removal with a 5/64" hex drive, providing a positive grip and reducing tool slippage.
- Full-length threading for maximum grip and holding power along the entire 3" shank, suitable for thicker materials.
- Rounded button head design offers a low-profile, finished appearance while minimizing snagging risks.
- Compliance with major industry standards including ASME B18.3 and ASTM F879, ensuring quality and interoperability.
Professional Applications & Engineering Value
This 6-32 UNC coarse thread screw is engineered to address critical fastening challenges in demanding applications. The 18-8 stainless steel material, enhanced by a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it suitable for industrial machinery, electronic enclosures, and outdoor equipment. The coarse thread and Class 3A fit ensure quick assembly and high vibration resistance, reducing maintenance needs. Its fully threaded design and hex drive allow for consistent clamping force and easy installation in confined spaces, delivering reliable performance and extended service life in professional settings.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including a Class 3A thread fit and UNC coarse thread profile. It is manufactured in compliance with ASME B18.3 and ASTM F879 specifications. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring it meets stringent environmental and safety regulations for hazardous substances.
