S-91771A964 10-32 x 1/2" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head 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 tensile strength rated at 80,000 psi for reliable performance under heavy loads
- Precise Class 2A thread fit ensures smooth installation and secure fastening in UNF fine-thread applications
- Full threading design provides maximum grip length and uniform stress distribution
- Optimized 100° countersink angle creates flush surface finishes for streamlined assemblies
- Rockwell B80 hardness delivers excellent wear resistance and durability
- Phillips No. 2 drive compatibility enables efficient installation with standard tools
Professional Applications & Engineering Value
These 10-32 UNF flat head screws deliver critical engineering advantages in demanding applications where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against rust and chemical exposure, making them ideal for manufacturing equipment, electronic enclosures, and marine components. The fine UNF threading with Class 2A fit ensures precise engagement in tapped holes, reducing the risk of cross-threading while maintaining vibration resistance. The standard flat head profile with 100° countersink angle allows for flush mounting in precision assemblies, eliminating protrusions that could interfere with moving parts or aesthetic requirements. These fully threaded screws distribute clamping force evenly across the entire engagement length, preventing stress concentration points in critical joints.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 specifications, these screws maintain precise dimensional accuracy with Class 2A thread fit tolerances for consistent performance. The UNF (Unified National Fine) 10-32 thread form ensures compatibility with standard mating components. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and restricted substance control, making them suitable for global industrial applications requiring certified components.
