S-91772A059 0-80 x 1/2" 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
- Precision fine threading with Class 2A UNF thread fit ensuring secure fastening and vibration resistance
- Optimized drive engagement through Phillips No. 0 drive design for efficient installation and reduced cam-out
- Full-length threading across the entire 1/2" length provides maximum grip and uniform stress distribution
- Regulatory compliance with ASME B18.6.3 standards and environmental regulations including RoHS 3 & REACH
- Versatile rounded pan head profile offering clean appearance and reduced surface snagging in assembly applications
Professional Applications & Engineering Value
This 0-80 UNF rounded head screw delivers critical engineering solutions where precision and durability are paramount. The passivated 18-8 stainless steel construction provides excellent resistance to oxidation and chemical exposure, making it ideal for electronics, instrumentation, and medical device assemblies. The fine thread configuration ensures superior holding power in thin materials and delicate components, while the Phillips No. 0 drive enables controlled torque application during installation. With fully threaded design and Class 2A thread fit, these screws maintain consistent clamping force in high-vibration environments, preventing loosening in critical industrial fastening applications.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerance for precision assembly. The 0-80 UNF fine thread configuration maintains strict dimensional accuracy with 1/2" length and standard pan head profile. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations ensures safe use across global markets. Mechanical properties include Rockwell B70 hardness and 70,000 psi tensile strength, validated through rigorous quality control processes.
