S-8077A516 3-48 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance in high-stress applications.
• Precise alignment and secure fit ensured by the Class 3A thread fit and standard shoulder, reducing assembly errors and improving product integrity.
• Enhanced grip and easy installation from the knurled head and 5/64" hex drive, allowing for secure tool engagement and efficient fastening.
• Durable, wear-resistant surface due to the Black Oxide finish, which adds an extra layer of protection against abrasion and corrosion.
• Broad compliance with environmental standards, including RoHS 3 and REACH, making it suitable for regulated industries and global supply chains.
• Optimized for coarse threading applications with 3-48 UNC right-hand threads, providing quick assembly and high resistance to loosening under vibration.

Professional Applications & Engineering Value

This 316 Stainless Steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and assembly jigs where corrosion resistance and dimensional accuracy are paramount. The Black Oxide finish enhances durability in moist or chemically aggressive settings, while the Class 3A thread fit and standardized shoulder diameter ensure consistent alignment, minimizing part misalignment and wear in rotating assemblies. Its high tensile and shear strength supports heavy-duty applications, from conveyor systems to electronic enclosures, providing a reliable fastening solution that reduces maintenance downtime and improves operational safety in demanding industrial environments.

Specification Summary & Compliance

The screw adheres to UNC coarse thread standards with a Class 3A fit for precise thread engagement, and features a shoulder diameter of 1/8" with tight tolerances for accurate positioning. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for use in regulated sectors. The combination of 316 Stainless Steel material and controlled dimensions guarantees reliability in applications requiring corrosion resistance and mechanical integrity.