S-8077A182 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life.
• Enhanced durability and wear resistance from the black oxide finish, which also provides a sleek, non-reflective appearance.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads.
• Precision alignment and secure fit with Class 3A thread fit and a standard shoulder, ensuring accurate component positioning.
• Easy installation and removal using the hex socket drive and knurled head, providing excellent grip and torque application.
• Broad industrial compliance meeting RoHS 3 and REACH regulations, ensuring safety and environmental standards.
• Optimized for coarse threading applications with UNC threads, facilitating quick assembly and reduced cross-threading risk.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and industrial equipment. The black oxide finish not only enhances corrosion resistance but also reduces galling in high-friction applications. With a Class 3A thread fit and UNC coarse threads, it ensures secure fastening and easy assembly in vibrating environments, minimizing loosening. The precise shoulder diameter and length provide stable alignment for rotating parts like bearings and pulleys, reducing wear and maintenance costs. Ideal for applications requiring high tensile strength and compliance with RoHS and REACH, it supports sectors from aerospace to medical devices where reliability and regulatory adherence are paramount.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A fit for tight tolerances, ensuring dimensional accuracy in thread diameter and spacing. The shoulder features a diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005" for consistent performance. Manufactured to high hardness (Rockwell B79) and strength specifications, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity in industrial use.