S-92949A895 1-72 x 5/8" 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 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
- High-strength performance offering 70,000 psi tensile strength and Rockwell B55 hardness for dependable load-bearing in demanding applications.
- Precise thread engagement with Class 3A fit and UNF fine threads, providing secure, vibration-resistant fastening.
- Easy installation and removal using a standard 0.050" hex drive, reducing assembly time and tool wear.
- Fully threaded design for maximum grip along the entire 5/8" length, enhancing holding power in various materials.
- Rounded button head profile minimizes protrusion and improves aesthetics while reducing snagging risks.
- Compliance with industry standards including ASME B18.3, RoHS 3, and REACH, ensuring safety and regulatory adherence.
Professional Applications & Engineering Value
This 1-72 UNF fine thread screw is engineered to address critical industrial challenges, such as vibration loosening and corrosion in precision assemblies. The 18-8 stainless steel material, combined with a passivated finish, provides exceptional resistance to oxidation and chemical exposure, making it ideal for electronics, aerospace, and medical equipment. The Class 3A thread fit and fine threading ensure tight tolerances and reliable performance in high-stress environments, while the hex drive allows for efficient torque application without slippage. Its fully threaded design offers uniform stress distribution, reducing the risk of joint failure and extending service life in industrial applications.
Specification Summary & Compliance
This screw adheres to ASME B18.3 specifications, with precise Class 3A thread fit and UNF fine thread standards for consistent dimensional accuracy. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are met for global industrial use.
