S-97345A489 8-32 Shoulder Screws
Shoulder 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 316 stainless steel construction, ideal for harsh industrial and marine environments
- Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing applications
- Precise component alignment enabled by the 1/2" shoulder length with tight tolerances for consistent assembly fit
- Secure, high-precision threading with Class 3A UNC coarse threads ensuring vibration resistance and easy installation
- Enhanced grip and tool engagement from the knurled socket head and 3/32" hex drive, reducing slippage during tightening
- Compliance with global regulations including RoHS 3 and REACH, ensuring environmental and safety standards are met
- Durable, long-lasting performance with Rockwell B79 hardness for repeated use in demanding applications
Professional Applications & Engineering Value
This 316 stainless steel shoulder screw is engineered to address critical challenges in precision assemblies, such as maintaining alignment in rotating machinery, securing bearings, and supporting pivoting components. The 8-32 UNC coarse thread and Class 3A thread fit provide excellent resistance to loosening under vibration, while the 1/2" shoulder length with minimal tolerances ensures accurate positioning in industrial equipment, automotive systems, and electronic enclosures. The hex drive socket head with knurled texture allows for secure tool engagement, reducing installation errors. Made from corrosion-resistant 316 stainless steel, it delivers reliable performance in humid, chemical, or saline environments, minimizing maintenance and replacement costs.
Specification Summary & Compliance
This shoulder screw features precise dimensional control with Class 3A thread fit per UNC standards, shoulder diameter tolerance of -0.004" to -0.002", and shoulder length tolerance of -0.005" to 0.005". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements for industrial fasteners.
