S-90298A165 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 18-8 Stainless Steel construction, ideal for harsh industrial environments
- Precise component alignment ensured by the 2" shoulder with tight diameter tolerance for reduced assembly play
- High-strength fastening delivers 70,000 psi tensile and 35,000 psi shear strength for demanding applications
- Secure installation and removal with hex socket drive and knurled head for enhanced grip and torque transmission
- Reliable thread engagement through Class 3A UNC coarse threads for vibration resistance and quick assembly
- Consistent performance backed by Rockwell B55 hardness for durability under repeated use
- Global compliance assurance with RoHS 3 and REACH regulations for safe, sustainable sourcing
Professional Applications & Engineering Value
This 8-32 UNC shoulder screw is engineered to address critical alignment and load-bearing challenges in precision assemblies. The 18-8 Stainless Steel material provides excellent corrosion resistance, making it suitable for machinery, automotive, and electronic enclosures exposed to moisture or chemicals. The 2" shoulder length acts as a precise pivot or spacer, reducing wear on moving parts by maintaining exact positioning. With a Class 3A thread fit and coarse UNC threads, it ensures rapid installation and high vibration resistance, minimizing loosening in dynamic systems. The hex socket drive and knurled head enhance torque application, streamlining maintenance in confined spaces. Ideal for pivots, guides, and rotating mechanisms, this shoulder screw delivers long-term reliability and reduces downtime in industrial settings.
Specification Summary & Compliance
This shoulder screw features a Class 3A thread fit with 8-32 UNC coarse threads, ensuring precise dimensional accuracy per industry standards. The shoulder diameter tolerance is -0.004" to -0.002", and shoulder length tolerance is -0.005" to 0.005" for consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible manufacturing practices.
