S-91772A921 6-40 x 1/2" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan Head Phillips Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
- Exceptional mechanical strength with 70,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
- Precise thread engagement with Class 2A UNF fine threads ensuring secure, vibration-resistant fastening in critical assemblies
- Optimized drive efficiency featuring a Phillips No. 2 drive and pan head design for quick installation and reduced tool slippage
- Full-threaded length providing maximum grip and uniform stress distribution along the entire fastener
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
- Versatile industrial compatibility with standardized 6-40 UNF threading suitable for precision machinery and equipment
Professional Applications & Engineering Value
This 6-40 UNF machine screw delivers critical engineering solutions where corrosion resistance and mechanical integrity are paramount. The passivated 18-8 stainless steel material prevents oxidation and chemical degradation in demanding environments such as marine, chemical processing, and food machinery. Its UNF fine thread configuration and Class 2A thread fit provide superior vibration resistance and precise alignment in assembled components, reducing maintenance downtime. The combination of 70,000 psi tensile strength and fully threaded design ensures uniform load distribution, making it ideal for high-stress applications in automotive subsystems, electronic enclosures, and industrial equipment where fastener failure is not an option.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 standards with Class 2A thread tolerance for consistent dimensional accuracy. The screw features a 6-40 UNF fine thread with right-hand direction and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in global industrial markets.
