S-92224A113 4-40 x 5/16" 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
- Enhanced corrosion resistance with black oxide steel finish for reliable performance in demanding industrial environments
- Superior holding power achieved through fully threaded design and 60,000 psi tensile strength for secure fastening applications
- Optimized drive engagement with Phillips No. 1 drive style ensuring efficient installation and reduced cam-out risk
- Precise thread compatibility with 4-40 UNC coarse threads and Class 2A fit for consistent mating with standard components
- Excellent material durability featuring Rockwell B70 hardness for long-term reliability under mechanical stress
- Streamlined assembly process with rounded pan head profile providing smooth surface transition and reduced snagging
- Regulatory compliance assurance meeting ASME B18.6.3 specifications and environmental standards including RoHS 3 and REACH
Professional Applications & Engineering Value
These 4-40 UNC coarse thread screws deliver exceptional engineering value across industrial applications where corrosion resistance and mechanical reliability are critical. The black oxide steel construction provides superior protection against environmental degradation, while the fully threaded design ensures maximum engagement strength in assemblies requiring consistent clamping force. The rounded pan head profile with Phillips drive facilitates quick installation in confined spaces, making them ideal for electronic enclosures, machinery components, and precision equipment where Class 2A thread fit guarantees proper mating with standard nuts and threaded holes. Their 60,000 psi tensile strength and Rockwell B70 hardness make these screws particularly valuable for applications subject to vibration and dynamic loads.
Specification Summary & Compliance
Manufactured to precise inch system dimensions with Class 2A thread fit tolerance ensuring reliable engagement with standard UNC threaded components. These right-hand threaded screws comply with ASME B18.6.3 manufacturing specifications for dimensional accuracy and performance. The product meets RoHS 3 (2015/863/EU) compliance for hazardous substance restriction and REACH (EC 1907/2006) regulations for chemical safety, providing assurance for industrial and commercial applications requiring environmental compliance.
