S-90318A680 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 chemical and marine environments
- Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high stress
- Precise component alignment through accurately machined 3/16" diameter shoulder with tight tolerance fit
- Space-saving installation with ultra-low socket head profile that minimizes protrusion in compact assemblies
- Consistent thread engagement with Class 2A UNC coarse threads ensuring reliable fastening in vibration-prone applications
- Secure torque transmission via hex drive design that prevents cam-out during installation
- Environmental compliance assurance meeting RoHS 3 and REACH standards for global manufacturing requirements
Professional Applications & Engineering Value
This 8-32 UNC shoulder screw delivers critical engineering solutions where precision alignment and corrosion resistance are paramount. The 316 stainless steel construction provides exceptional protection against corrosive elements in chemical processing, marine, and food processing equipment. The precisely machined 3/16" shoulder diameter with tight tolerances ensures accurate component positioning in assemblies, eliminating misalignment issues in precision machinery, robotic systems, and optical equipment. The ultra-low socket head profile combined with hex drive design allows for secure installation in space-constrained applications while maintaining high torque capability. With Class 2A thread fit and coarse UNC threading, this fastener provides reliable performance in high-vibration environments common in industrial automation and manufacturing equipment.
Specification Summary & Compliance
This precision shoulder screw maintains Class 2A thread fit per UNC standards with precise shoulder dimensions (3/16" diameter, 3/16" length) manufactured to tight tolerances. The fastener meets RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) standards, ensuring environmental regulatory adherence for global industrial applications. Mechanical properties include Rockwell B70 hardness and verified tensile strength of 70,000 psi.
