S-93996A351 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
- Secure vibration-resistant fastening with permanent nylon patch thread locker that maintains integrity from -70° to 250°F
- Exceptional corrosion resistance through 18-8 stainless steel construction for long-term reliability in harsh environments
- Precision alignment capability with 1-1/2" precisely machined shoulder providing accurate component positioning
- High-strength performance delivering 70,000 psi tensile strength and Rockwell B55 hardness for demanding applications
- Easy installation and removal with standard socket head design and 8-32 UNC coarse threads for efficient assembly
- Reliable thread engagement through Class 2A thread fit ensuring consistent fastening performance
- Environmental compliance assurance meeting RoHS 3 and REACH regulations for global manufacturing requirements
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw with nylon patch thread locker addresses critical engineering challenges in precision assemblies. The 1-1/2" shoulder length provides exact component spacing and rotational support in machinery, while the 8-32 UNC coarse threads ensure rapid installation in production environments. The permanent thread locking feature prevents loosening under vibration, making it ideal for industrial equipment, automation systems, and precision instruments where secure fastening is paramount. The combination of 70,000 psi tensile strength and corrosion-resistant stainless steel construction delivers long-term reliability in demanding applications where maintenance access is limited.
Specification Summary & Compliance
This precision shoulder screw features Class 2A thread fit tolerance with 8-32 UNC coarse threads and precise shoulder dimensions (1-1/2" length with 0" to 0.002" tolerance). Manufactured from 18-8 stainless steel with Rockwell B55 hardness, the fastener complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications and restricted substance requirements.
