S-92949A321 2-64 x 1/4" 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 18-8 stainless steel and passivated finish, ideal for harsh industrial environments.
- Exceptional thread engagement and vibration resistance due to fine UNF threads and Class 3A fit, ensuring secure, long-lasting assemblies.
- High strength and durability with 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under load.
- Easy installation and removal with a 0.050" hex drive, reducing assembly time and tool slippage.
- Compact, low-profile design with a rounded button head, minimizing protrusion in tight spaces.
- Full threading along the 1/4" length provides maximum grip and adjustability in various applications.
- Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
This 2-64 UNF fine thread screw is engineered to address common challenges in precision assemblies, such as vibration loosening and corrosion in demanding environments. The 18-8 stainless steel construction, combined with a passivated finish, offers excellent resistance to oxidation and chemicals, extending service life in electronics, aerospace, and medical equipment. The fine thread and Class 3A fit provide tighter tolerances, reducing the risk of thread stripping and enhancing load distribution. With a hex drive and rounded button head, it ensures easy installation in confined spaces, making it a reliable choice for industrial fasteners requiring high precision and durability.
Specification Summary & Compliance
This screw features a 2-64 UNF fine thread with Class 3A thread fit for precise engagement, a length of 1/4", and full threading. It meets ASME B18.3 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are adhered to.
