S-90279A830 10-32 x 5/8" ASME B18.6.3 Steel Round Head Phillips Screws
Steel Round 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 zinc plating for extended service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable fastening under substantial mechanical loads
- Precision Class 2A thread fit provides smooth assembly and consistent engagement in UNF fine-thread applications
- Full threading design offers maximum grip length and uniform stress distribution along the entire fastener
- Rockwell B69 hardness rating maintains structural integrity and prevents deformation during installation
- Phillips No. 2 drive system enables efficient installation with standard industrial tools
- Comprehensive regulatory compliance including ASME B18.6.3, RoHS 3, and REACH for global market acceptance
Professional Applications & Engineering Value
These 10-32 UNF zinc-plated steel screws deliver exceptional performance in precision assembly applications where fine thread engagement and corrosion protection are critical. The rounded head design with Phillips drive provides optimal seating while minimizing surface protrusion, making them ideal for machinery, electronic enclosures, and automotive components. The zinc-plated steel construction combined with 60,000 psi tensile strength addresses common failure points in vibration-prone environments, ensuring long-term fastener integrity. Their fully threaded configuration maximizes contact area for superior load distribution, while the Class 2A thread fit guarantees precise mating with corresponding UNF nuts and threaded holes in industrial equipment.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 standards with Class 2A thread fit tolerances for consistent performance. Features UNF fine threads (10-32) with right-hand threading direction and full threading along the 5/8" length. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The combination of zinc-plated steel material and Rockwell B69 hardness provides optimal balance between corrosion resistance and mechanical strength.
