S-8077A191 6-32 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel material, ideal for harsh industrial environments and extended service life.
• Enhanced durability and wear resistance from the black oxide finish, providing added protection against rust and abrasion.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress.
• Precise Class 3A thread fit offers secure, vibration-resistant fastening for critical assemblies.
• Easy installation and removal with the hex socket drive and knurled head, allowing for efficient tool engagement.
• Consistent dimensional accuracy with tight shoulder diameter and length tolerances for uniform fit in precision applications.
• Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for global markets.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw with a black oxide finish is engineered to address common industrial challenges such as corrosion, mechanical fatigue, and assembly precision. The 6-32 UNC coarse thread and Class 3A fit provide excellent holding power in dynamic applications, reducing the risk of loosening under vibration. Its high tensile and shear strength makes it suitable for demanding sectors like machinery, automotive, and electronics, where reliable shoulder screw performance is critical. The combination of material and finish ensures long-term corrosion resistance, minimizing maintenance needs and downtime in harsh operating conditions.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for precise engagement. Dimensions include a shoulder diameter tolerance of -0.004" to -0.002" and length tolerance of -0.005" to 0.005", ensuring consistent assembly. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting use in regulated industries without environmental concerns.