S-91772A920 6-40 x 7/16" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws
Stainless Steel Pan Head Phillips 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 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 fastening and vibration resistance
- Optimized drive efficiency featuring Phillips No. 2 drive for quick installation and reduced cam-out risk
- Maximum thread coverage with fully threaded design providing consistent clamping force along the entire 7/16" length
- Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations including RoHS 3 and REACH
- Versatile pan head design with rounded profile offering excellent bearing surface and professional appearance
Professional Applications & Engineering Value
This 6-40 UNF pan head Phillips machine screw delivers exceptional engineering value in demanding applications where corrosion resistance and mechanical reliability are critical. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making it ideal for industrial equipment, electronic enclosures, and machinery assemblies. The UNF fine thread configuration ensures precise fitment in tapped holes, while the Class 2A thread fit maintains consistent torque values and prevents loosening under vibration. The combination of 70,000 psi tensile strength and fully threaded design creates a robust fastening solution that distributes stress evenly across the entire 7/16" length, preventing joint failure in high-stress applications.
Specification Summary & Compliance
This machine screw features precision 6-40 UNF threads with Class 2A fit for consistent dimensional accuracy. Manufacturing complies with ASME B18.6.3 specifications for dimensional standards and quality assurance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in various industrial and commercial applications without hazardous substance restrictions.
