S-90272A190 8-32 x 1/4" ASME B18.6.3 Steel Pan Head Phillips Screws
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 zinc-plated steel construction, extending service life in demanding industrial environments
- High tensile strength of 60,000 psi ensures reliable performance under significant mechanical stress and vibration
- Class 2A thread fit with UNC coarse threading provides quick assembly and secure fastening in various materials
- Rockwell B70 hardness rating maintains thread integrity and prevents stripping during repeated installations
- Phillips No. 2 drive with rounded pan head offers comfortable driving and flush surface mounting
- Full threading along 1/4" length enables maximum engagement depth and uniform load distribution
- Compliance with ASME B18.6.3 standards guarantees dimensional accuracy and interchangeability
Professional Applications & Engineering Value
These 8-32 UNC zinc-plated steel screws deliver exceptional value in industrial assembly applications where corrosion resistance and mechanical reliability are critical. The coarse thread design ensures rapid installation in metal, plastic, and composite materials while preventing cross-threading issues. With fully threaded shanks and 60,000 psi tensile strength, these rounded head Phillips screws maintain clamp force integrity in vibrating environments common to machinery, electrical enclosures, and automotive components. The zinc plating provides essential protection against oxidation and chemical exposure, while the pan head profile offers a low-profile finish that minimizes snagging hazards in confined spaces.
Specification Summary & Compliance
Manufactured to ASME B18.6.3 specifications with Class 2A thread fit tolerances for consistent performance. The UNC coarse thread (8-32) with right-hand direction follows standardized inch system measurements. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries. The 1/4" length and fully threaded design maintain dimensional consistency across production batches.
