S-90279A825 10-32 x 1/4" 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-plated steel construction for extended service life in demanding environments
- High tensile strength of 60,000 psi ensures reliable fastening under substantial mechanical stress
- Precision Class 2A thread fit provides consistent engagement and reduces cross-threading risks
- Phillips No. 2 drive design offers efficient installation with standard industrial tools
- Fine UNF thread spacing delivers enhanced vibration resistance and superior holding power
- Full threading along the 1/4" length enables maximum grip depth and adjustment flexibility
- Rockwell B69 hardness rating maintains structural integrity through repeated installation cycles
Professional Applications & Engineering Value
Engineered for precision assembly applications, these 10-32 UNF zinc-plated steel screws address critical industrial fastening challenges where vibration resistance and corrosion protection are paramount. The combination of fine thread spacing and rounded head profile creates optimal clamping force distribution while preventing surface damage during installation. The Phillips drive system ensures rapid deployment in high-volume manufacturing environments, particularly in electronics enclosures, machinery guards, and automotive components where Class 2A thread fit guarantees consistent performance across production runs. The zinc plating provides essential galvanic protection against environmental factors, making these industrial screws suitable for both indoor and moderate outdoor applications without compromising mechanical properties.
Specification Summary & Compliance
This fastener maintains Class 2A thread fit tolerance per UNF specifications with fully threaded 1/4" length and 0.19" thread diameter. Manufacturing complies with ASME B18.6.3 standards for dimensional consistency and mechanical performance. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring hazardous substance restrictions are met for global industrial applications.
