S-8077A511 3-48 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments.
• Enhanced durability and reduced galling thanks to the black oxide finish, providing a protective layer.
• High-strength performance with 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications.
• Precise and reliable thread engagement ensured by the Class 3A fit and UNC coarse thread for secure fastening.
• Easy installation and removal with a 5/64" hex drive socket head and knurled texture for improved grip.
• Accurate alignment and spacing provided by the 1-inch shoulder with standard fit, maintaining component position.
• Compliance with environmental regulations, being RoHS 3 and REACH compliant for safe and sustainable use.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw with a black oxide finish is engineered to address critical industrial challenges, such as corrosion in moist or chemical-laden settings. Its UNC coarse thread and Class 3A fit deliver reliable fastening in high-vibration environments, reducing the risk of loosening. The 1-inch shoulder length ensures precise alignment in machinery, automotive, and aerospace assemblies, while the hex drive and knurled head facilitate quick maintenance. Ideal for applications requiring high tensile and shear strength, this screw minimizes downtime and enhances operational efficiency in demanding industrial shoulder screw uses.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A fit for tight tolerances, ensuring dimensional accuracy. Key specifications include a shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for regulated industrial applications without hazardous substances.