S-8077A253 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 environments and chemical exposure.
- Enhanced durability and reduced galling thanks to the Black Oxide finish, which also provides a sleek, non-reflective appearance.
- High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliable performance under heavy loads.
- Precise thread engagement and vibration resistance achieved through the UNC coarse thread and Class 3A fit for secure fastening.
- Easy installation and removal with a hex socket drive and knurled head, allowing for better grip and torque application.
- Accurate shoulder positioning with a standard shoulder fit and tight tolerances, perfect for aligning and spacing components in assemblies.
- Compliance with environmental regulations, meeting RoHS 3 and REACH standards for safe and sustainable use.
Professional Applications & Engineering Value
This 316 Stainless Steel shoulder screw is engineered to address critical challenges in precision machinery, automotive, and aerospace sectors. The UNC coarse threading and Class 3A fit ensure quick assembly and high resistance to loosening under vibration, reducing maintenance needs. The Black Oxide finish on the socket head shoulder screw enhances corrosion resistance, making it suitable for humid or corrosive environments. Its robust 70,000 psi tensile strength and precise shoulder diameter and length tolerances provide reliable pivot points and alignment in rotating assemblies, jigs, and fixtures, minimizing wear and improving operational longevity.
Specification Summary & Compliance
This shoulder screw features a Class 3A thread fit for precise engagement, with UNC coarse threading (8-32 size) and a thread diameter of 0.164". Shoulder dimensions include a diameter of 7/32" (tolerance: -0.004" to -0.002") and length of 13/16" (tolerance: -0.005" to 0.005"), ensuring consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its safety and environmental standards for industrial use.
