S-8077A171 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• Enhanced durability and wear resistance from the black oxide finish, providing long-lasting performance
• Precise alignment and reduced assembly time with Class 3A thread fit for secure, vibration-resistant connections
• High-strength reliability offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications
• Easy installation and removal with hex socket drive and knurled head for improved grip and torque application
• Accurate component positioning due to the consistent shoulder diameter and length with tight tolerances
• Compliance with environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw with black oxide finish is engineered to address critical industrial challenges, such as misalignment and corrosion-induced failure. The 6-32 UNC coarse thread and Class 3A fit ensure tight, reliable fastening in high-vibration settings, while the knurled socket head allows for efficient torque transfer during assembly. Commonly used in machinery, automotive, and electronics, it provides a robust shoulder for precise bearing or bushing placement, reducing wear and maintenance costs. Its high tensile and shear strength makes it suitable for load-bearing applications, offering long-term performance in corrosive or high-stress environments.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for precision and reliability. Key dimensions include a shoulder diameter of 5/32" with a tolerance of -0.004" to -0.002" and a shoulder length of 1 1/2" with a tolerance of -0.005" to 0.005". It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental safety and regulatory adherence for industrial use.