S-92949A419 6-40 x 1/2" 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, ideal for harsh industrial environments
- Exceptional thread engagement through Class 3A precision fit, ensuring reliable fastening in critical assemblies
- High tensile strength of 70,000 PSI provides secure, long-lasting connections under mechanical stress
- Easy installation and removal with 5/64" hex drive, reducing assembly time and tool slippage
- Fine thread spacing delivers enhanced vibration resistance and superior load distribution
- Fully threaded design allows maximum grip length and flexibility in material thickness
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance
Professional Applications & Engineering Value
Engineered for precision applications requiring reliable thread performance and corrosion resistance, these 6-40 UNF Class 3A rounded head screws solve common industrial challenges. The 18-8 stainless steel material withstands corrosive atmospheres in chemical processing, marine, and outdoor equipment, while the fine thread spacing and Class 3A fit prevent loosening in high-vibration machinery. The hex drive ensures secure torque application, reducing installation errors in confined spaces. With a Rockwell B55 hardness and fully threaded design, they provide consistent clamping force in electronic enclosures, automotive components, and precision instruments, delivering long-term reliability and reduced maintenance costs.
Specification Summary & Compliance
This 6-40 UNF screw features Class 3A thread fit for precise dimensional accuracy, with a fine thread spacing and right-hand thread direction. Manufactured to high standards, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental and safety adherence. The 1/2" length and fully threaded configuration support consistent performance in industrial fastening applications.
