S-92224A175 8-32 x 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
- Enhanced corrosion resistance with black oxide coating for reliable performance in demanding industrial environments
- Superior holding power with 60,000 psi tensile strength and Rockwell B70 hardness for heavy-duty applications
- Quick installation through UNC coarse threading and Class 2A fit ensuring smooth engagement and time savings
- Optimized drive efficiency with Phillips No. 2 drive style preventing cam-out and reducing tool wear
- Maximum fastening coverage through fully threaded design providing consistent grip along the entire 4" length
- Broad compatibility with rounded pan head profile fitting standard countersunk holes in various materials
- Regulatory confidence with full compliance to ASME B18.6.3, RoHS 3, and REACH standards
Professional Applications & Engineering Value
These black oxide steel screws deliver exceptional value in industrial assembly where corrosion resistance and high tensile strength are critical. The UNC coarse thread design ensures rapid installation in metal, plastic, and composite materials, while the Phillips pan head provides reliable torque transmission without slippage. Engineered with Class 2A thread fit, these fully threaded fasteners maintain precise tolerances for vibration-resistant connections in machinery, electrical enclosures, and structural frameworks. The combination of 60,000 psi tensile strength and Rockwell B70 hardness makes them ideal for applications requiring repeated disassembly and reassembly without performance degradation.
Specification Summary & Compliance
This 8-32 x 4" screw features UNC coarse threading with Class 2A tolerance for consistent fit and performance. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. The product meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in various industrial sectors. The right-hand thread direction and standard pan head profile maintain compatibility with common assembly requirements.
