S-91772A091 3-48 x 3/16" 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 UNC coarse threads ensuring secure fastening and vibration resistance
- Optimized drive efficiency featuring No. 1 Phillips drive for easy installation with standard tools
- Full-threaded design providing maximum grip length and uniform stress distribution
- Compliant with major industry standards including ASME B18.6.3, RoHS 3, and REACH for quality assurance
- Versatile pan head profile offering excellent bearing surface and clean aesthetic finish
Professional Applications & Engineering Value
These 3-48 UNC pan head machine screws deliver critical performance advantages in demanding applications where corrosion resistance and mechanical reliability are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making them ideal for industrial equipment, electronic enclosures, and marine components. The combination of Class 2A thread fit and coarse UNC threading ensures rapid assembly and superior vibration resistance, while the fully threaded design maximizes connection integrity across various material thicknesses. The No. 1 Phillips drive enables efficient installation without specialized tools, reducing assembly time and maintenance costs in production environments.
Specification Summary & Compliance
This machine screw features precision 3-48 UNC coarse threads with Class 2A tolerance for consistent fit and performance. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and quality control. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting international environmental and safety standards for industrial components.
