S-8077A251 8-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel and black oxide finish, ideal for harsh industrial environments.
• Enhanced durability and strength offering 70,000 psi tensile strength and 35,000 psi shear strength for heavy-duty applications.
• Precise Class 3A thread fit ensures reliable, secure fastening with minimal play in assemblies.
• Easy installation and removal with hex drive and knurled head for improved grip and torque application.
• Coarse UNC threading provides quick assembly and reduced cross-threading risks in various materials.
• Compliance with RoHS 3 and REACH standards, ensuring environmental safety and regulatory adherence.
• Consistent performance backed by Rockwell B79 hardness and standard shoulder fit for stable alignment.

Professional Applications & Engineering Value

This 8-32 UNC thread shoulder screw is engineered to address common industrial challenges, such as corrosion and mechanical stress. Made from 316 stainless steel with a black oxide finish, it resists oxidation and chemical exposure, making it suitable for marine, chemical processing, and outdoor equipment. The Class 3A thread fit and coarse threading ensure quick, secure fastening in high-vibration settings, reducing assembly time and maintenance. With a knurled head and hex drive, it offers easy handling and torque control, enhancing efficiency in automated or manual installations. Ideal for pivots, spacers, and rotating components, this screw provides long-term reliability in demanding applications.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A fit for precise dimensional accuracy. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances. Manufacturing specifications include a shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005" for consistent performance.