S-94355A700 4-40 x 5/8" ASME B18.3 Set Screws
Set 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, ensuring long-term reliability in harsh environments.
- Exceptional holding power due to Class 3A thread fit, providing tighter tolerances and secure fastening.
- High durability with Rockwell B80 hardness, resisting wear and deformation under load.
- Easy installation and removal using the 0.050" hex drive, allowing quick assembly with standard tools.
- Reliable flat tip design for consistent surface contact and reduced component damage.
- Broad industrial compliance meeting ASME B18.3 standards for consistent performance.
- Environmental safety with RoHS 3 and REACH compliance, suitable for regulated applications.
Professional Applications & Engineering Value
This 4-40 UNC set screw is engineered to address critical challenges in precision assembly, where vibration resistance and corrosion prevention are paramount. The 18-8 Stainless Steel material offers excellent resistance to rust and chemicals, ideal for machinery, automotive, and electronics exposed to moisture or aggressive conditions. Its coarse thread spacing and Class 3A thread fit ensure rapid installation and superior grip in right-hand thread applications, minimizing loosening over time. The hex headless design with a flat tip provides flush mounting and even pressure distribution, protecting sensitive components from marring. By adhering to ASME B18.3 specifications, this screw delivers consistent dimensional accuracy, reducing assembly errors and enhancing operational efficiency in high-stakes industrial settings.
Specification Summary & Compliance
This product features precise Class 3A thread fit per UNC standards, with a thread size of 4-40, diameter of 0.112", and length of 5/8". It complies with ASME B18.3 manufacturing specifications, ensuring dimensional consistency. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and industrial applications.
