S-8077A685 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial environments and chemical exposure.
• Enhanced durability and wear resistance from the Black Oxide finish, providing a protective layer and reduced galling.
• High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, ensuring reliable performance under heavy loads.
• Precise alignment and secure fit due to the Class 3A thread fit and standard shoulder, minimizing assembly play and vibration.
• Easy installation and removal with a hex socket drive and knurled head for improved grip and torque application.
• Robust construction featuring a Rockwell B79 hardness, offering excellent resistance to deformation and wear over time.
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in regulated industries.

Professional Applications & Engineering Value

This 316 Stainless Steel shoulder screw with a Black Oxide finish is engineered to solve critical challenges in precision assembly and machinery. The UNC coarse threading and Class 3A fit provide a tight, reliable connection that resists loosening under vibration, making it ideal for applications like rotating shafts, linkages, and pivoting mechanisms. The corrosion-resistant material and finish protect against rust and chemical degradation in demanding environments such as marine, chemical processing, and outdoor equipment. The precise shoulder diameter and length ensure accurate component alignment, reducing wear and maintenance needs. Its hex socket drive allows for efficient installation in confined spaces, enhancing productivity in automated or manual assembly lines.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A fit for precise thread engagement. Dimensions include a thread diameter of 0.138", thread length of 3/16", shoulder diameter of 3/16" (tolerance: -0.004" to -0.002"), and shoulder length of 1/4" (tolerance: -0.005" to 0.005"). It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory adherence for industrial use.