S-90046A111 8-32 x 1/2" NAS1801-08-8 High-Strength Steel Hex Head Screws with Phillips Drive
High-Strength Steel Hex Head Screws with Phillips Drive
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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 cadmium plating, extending service life in harsh industrial environments
- Exceptional tensile strength of 160,000 psi ensures reliable performance under high-stress applications
- Precision Class 3A thread fit guarantees secure fastening and vibration resistance in critical assemblies
- Dual drive compatibility with external hex and Phillips head allows flexible installation tool options
- Partially threaded design provides optimal clamping force control for specific joint requirements
- Rockwell C34 hardness rating maintains structural integrity and prevents thread deformation
- Full regulatory compliance with NAS1801-08-8, RoHS 3, and REACH ensures environmental and safety standards
Professional Applications & Engineering Value
These 8-32 UNC hex head screws deliver critical engineering solutions where vibration resistance and corrosion protection are paramount. The cadmium-plated steel construction combined with coarse thread spacing provides superior performance in aerospace, automotive, and heavy machinery applications where Class 3A thread fit ensures zero backlash in precision assemblies. The partially threaded configuration allows engineers to precisely control clamping force while the external hex/Phillips drive offers installation flexibility in confined spaces. These industrial fasteners are engineered to withstand extreme conditions while maintaining 160,000 psi tensile strength for long-term reliability.
Specification Summary & Compliance
Manufactured to exact inch system dimensions with Class 3A thread fit precision and UNC thread form. Fully compliant with NAS1801-08-8 specifications for aerospace applications. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Features coarse thread spacing with minimum thread length of 7/16" and overall length of 1/2". Hardness maintained at Rockwell C34 for consistent performance across production batches.
