S-90471A442 10-32 x 5/8" ASME B18.6.3 Steel Phillips Flat Head Screws
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 zinc-plated steel construction for extended service life in demanding environments
- Exceptional tensile strength rated at 60,000 psi to withstand high-stress applications without failure
- Precise Class 2A thread fit ensures smooth installation and reliable fastening performance
- Optimized 100° countersink angle provides flush mounting and improved load distribution
- Full threading design delivers maximum grip length and superior holding power
- Rockwell B70 hardness maintains structural integrity under repeated use and vibration
- Phillips No. 2 drive compatibility enables efficient installation with standard tools
Professional Applications & Engineering Value
These 10-32 UNF flat head screws are engineered to address critical fastening challenges in industrial assembly operations. The zinc-plated steel construction provides essential corrosion protection for machinery, electrical enclosures, and automotive components exposed to harsh conditions. The fine UNF thread profile ensures superior vibration resistance compared to coarse threads, making these Phillips drive screws ideal for precision equipment where loosening under dynamic loads is a concern. The standard flat head profile with 100° countersink enables seamless flush mounting in predrilled surfaces, eliminating protrusions that could interfere with moving parts or create safety hazards. This combination of material durability and precision threading delivers reliable performance in applications ranging from electronic chassis assembly to industrial machinery maintenance.
Specification Summary & Compliance
Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerances for consistent performance. The 10-32 UNF fine thread configuration features right-hand threading and full thread coverage along the 5/8" length. These screws maintain full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring they meet the latest industry standards for hazardous substance restrictions and chemical safety protocols.
