S-8077A718 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under high-stress conditions.
• Precise Class 3A thread fit ensures tight tolerances and secure fastening, reducing the risk of loosening in critical assemblies.
• Enhanced durability and wear resistance from the Black Oxide finish, which also provides a sleek, non-reflective surface.
• Easy installation and removal with a knurled socket head and 3/32" hex drive, allowing for efficient tool engagement and reduced slippage.
• Versatile shoulder design with a standard fit for accurate component alignment and spacing in precision machinery.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for global industrial markets.

Professional Applications & Engineering Value

This 8-32 UNC thread shoulder screw is engineered to address common industrial challenges such as misalignment, vibration-induced failure, and corrosion in demanding applications. Crafted from 316 Stainless Steel with a Black Oxide finish, it provides excellent resistance to chemicals and moisture, making it ideal for marine, chemical processing, and outdoor equipment. The Class 3A thread fit and coarse threading ensure quick assembly and high clamping force, while the knurled socket head enhances grip for secure fastening in automated or manual setups. Commonly used in precision instruments, robotics, and conveyor systems, this screw offers reliable shoulder mounting to maintain component spacing and reduce wear, ultimately lowering maintenance costs and improving operational efficiency.

Specification Summary & Compliance

This shoulder screw features precise dimensions, including a thread size of 8-32 UNC with a Class 3A fit for tight tolerance assembly. The shoulder diameter is 3/16" with a tolerance of -0.004" to -0.002", and shoulder length is 3/8" with a tolerance of -0.005" to 0.005", ensuring consistent performance. Manufactured to high standards, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental and safety adherence for industrial use.