S-93996A718 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
- Vibration-resistant locking with permanent nylon patch thread locker that maintains secure fastening from -70° to 250°F
- Exceptional corrosion resistance through 18-8 stainless steel construction for long-term reliability in harsh environments
- High strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Precise shoulder alignment with controlled diameter and length tolerances for accurate component positioning
- Easy installation and removal with standard hex socket drive requiring only 3/32" hex key
- Reliable thread engagement through Class 2A UNC coarse threads ensuring consistent assembly performance
- Environmental compliance meeting RoHS 3 and REACH standards for global manufacturing requirements
Professional Applications & Engineering Value
This precision shoulder screw with nylon patch thread locking technology solves critical vibration-induced loosening problems in industrial machinery, automation systems, and precision instruments. The 18-8 stainless steel construction provides excellent corrosion resistance while maintaining structural integrity across a wide temperature range (-70° to 250°F). The precisely controlled 3/16" shoulder diameter and 3/8" shoulder length with tight tolerances ensure accurate component alignment and rotational stability in assemblies. The UNC coarse threads with Class 2A fit deliver reliable engagement in both metallic and non-metallic materials, while the hex socket drive allows for high-torque installation in confined spaces. These shoulder screws are engineered to maintain permanent fastening security in high-vibration environments where traditional fasteners would typically loosen over time.
Specification Summary & Compliance
This 8-32 UNC shoulder screw features Class 2A thread fit with precise shoulder dimensions (3/16" diameter, 3/8" length) manufactured to tight tolerances. The fastener meets industry standards for 18-8 stainless steel mechanical properties including 70,000 psi tensile strength and Rockwell B55 hardness. Environmental compliance includes full adherence to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring suitability for global manufacturing applications requiring restricted substance control.
