S-90279A155 6-32 x 1 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, ensuring longevity in demanding industrial environments
- High tensile strength of 60,000 psi provides reliable fastening under heavy loads and vibration
- Rockwell B69 hardness maintains structural integrity and prevents stripping during installation
- Class 2A thread fit with UNC coarse threading enables quick assembly and secure connections in various materials
- Fully threaded design offers maximum grip length and consistent holding power along the entire shank
- Phillips drive with No. 2 size ensures common tool compatibility and efficient installation
- Rounded head profile provides smooth finished appearance and reduces snagging risks
Professional Applications & Engineering Value
These zinc-plated steel rounded head screws deliver exceptional performance in industrial assembly applications where corrosion resistance and high tensile strength are critical. The UNC coarse threading combined with Class 2A thread fit ensures rapid installation in metal, plastic, and composite materials while maintaining secure fastening under vibration. The fully threaded design maximizes engagement depth, providing uniform stress distribution that prevents joint failure in machinery, electrical enclosures, and automotive components. The Phillips drive system offers widespread tool compatibility, reducing installation time and improving production efficiency in manufacturing environments.
Specification Summary & Compliance
This 6-32 x 1-1/4" Phillips rounded head screw features precise Class 2A thread fit with UNC coarse threading (32 threads per inch) and meets ASME B18.6.3 manufacturing specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. Manufacturing standards guarantee dimensional accuracy with head diameter of 0.26", head height of 0.103", and thread diameter of 0.138" for consistent performance in precision applications.
