S-91273A689 5/8"-11 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.
- Enhanced durability and wear resistance from the black oxide finish, reducing maintenance needs.
- High load-bearing capacity with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications.
- Precise alignment and smooth rotation due to the standard shoulder fit and knurled head for secure grip during installation.
- Easy installation and removal with a 5/16" hex drive socket head, minimizing tool slippage.
- Reliable thread engagement with Class 2A fit and coarse 5/8"-11 UNC threads, ensuring consistent performance.
- Compliance with environmental regulations, meeting RoHS 3 and REACH standards for safe, sustainable use.
Professional Applications & Engineering Value
This 18-8 stainless steel shoulder screw is engineered to address common industrial challenges such as misalignment, vibration loosening, and corrosion. The black oxide finish provides an extra layer of protection against rust and wear, extending service life in machinery, automotive assemblies, and conveyor systems. Its 1-1/4" shoulder length and standard shoulder fit allow for precise component positioning, reducing stress on threads and enhancing overall stability. The coarse UNC threads and Class 2A fit ensure quick assembly and reliable performance under high-stress conditions, making it a top choice for heavy-duty industrial applications where strength and precision are critical.
Specification Summary & Compliance
This shoulder screw adheres to UNC thread standards with a Class 2A thread fit for consistent dimensional accuracy. Key specifications include a shoulder diameter tolerance of -0.004" to -0.002" and shoulder length tolerance of -0.005" to 0.005", ensuring precise manufacturing. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and suitability for global industrial use.
