S-93996A327 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 that maintains secure fastening from -70° to 250°F, preventing loosening in demanding environments
- Superior corrosion resistance through 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial conditions
- High strength performance with 70,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
- Precise alignment capability with 3/16" shoulder diameter and precise fit tolerance for accurate component positioning
- Optimized thread engagement through Class 2A UNC coarse threads providing reliable installation and removal
- Durable socket head design allowing high torque application and secure drive engagement
- Environmental compliance meeting RoHS 3 and REACH regulations for global manufacturing requirements
Professional Applications & Engineering Value
This 8-32 UNC shoulder screw delivers exceptional engineering value in precision assembly applications where component alignment and vibration resistance are critical. The 18-8 stainless steel construction provides excellent corrosion resistance for machinery exposed to moisture, chemicals, or outdoor elements. The integrated nylon patch locking technology ensures reliable fastening in high-vibration environments such as automotive assemblies, industrial equipment, and electronic enclosures. The 3/16" shoulder diameter with precise tolerance enables accurate bearing and bushing alignment, while the 1/4" shoulder length provides consistent spacing between components. The coarse UNC thread design facilitates quick installation and removal, making it ideal for maintenance applications where repeated disassembly is required.
Specification Summary & Compliance
This precision shoulder screw features Class 2A thread fit tolerance for reliable engagement, UNC 8-32 coarse threads with 3/16" thread length, and precise shoulder dimensions (3/16" diameter, 1/4" length) with tight manufacturing tolerances. The fastener is manufactured from 18-8 stainless steel with Rockwell B55 hardness and 70,000 psi tensile strength. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance for industrial applications.
