S-97832A375 3/8"-16 ASME B18.3 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 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Precise component alignment through Class 3A thread fit and controlled shoulder tolerances for reduced assembly vibration
- Enhanced torque transmission with hex socket drive and knurled head preventing tool slippage during installation
- High load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
- Reliable coarse threading using UNC standard for faster assembly and reduced cross-threading risk
- Regulatory compliance assurance meeting ASME B18.3 specifications and environmental standards (RoHS 3, REACH)
- Optimized shoulder design with 1-1/2" length providing stable bearing surface for rotating components
Professional Applications & Engineering Value
This socket head shoulder screw delivers critical precision in machinery where alignment and rotational stability are paramount. The 18-8 Stainless Steel construction resists corrosion in manufacturing environments while maintaining structural integrity. The Class 3A thread fit ensures secure fastening without play, essential for precision equipment, automation systems, and rotating assemblies. The knurled head texture combined with hex drive provides positive grip during installation, reducing installation errors in high-vibration applications. The generous shoulder length acts as precise axle or pivot point in linkages, bearings, and cam followers, eliminating the need for additional bushings and simplifying assembly in industrial machinery.
Specification Summary & Compliance
Manufactured to ASME B18.3 standards with Class 3A thread fit for precision applications. Shoulder diameter tolerance maintained at -0.004" to -0.002" and shoulder length tolerance at -0.005" to 0.005". Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Thread specifications: 3/8"-16 UNC right-hand coarse thread with 3/4" thread length.
