S-92183A473 7/8"-9 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• High load-bearing capacity from 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications.
• Precise alignment and reduced wear due to the Class 3A thread fit and standard shoulder fit, ensuring reliable assembly.
• Easy installation and removal with a 1/2" hex drive and knurled head for enhanced grip and torque application.
• Durable coarse UNC threads that resist stripping and provide strong holding power in various materials.
• Compliance with environmental standards including RoHS 3 and REACH, meeting global regulatory requirements.
• Versatile shoulder length options from 0.5" to 1.99" for custom fit in machinery and equipment.

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw is engineered to address critical challenges in industrial settings, such as misalignment and vibration-induced failures. The 7/8"-9 UNC coarse thread with Class 3A precision fit ensures tight tolerances, reducing the risk of loosening under dynamic loads. Its high tensile and shear strength makes it suitable for heavy-duty applications like machinery assembly, automotive components, and conveyor systems. The knurled head and 1/2" hex drive facilitate quick maintenance, while the corrosion-resistant material extends service life in humid or chemical environments. Ideal for precision shoulder screws in robotics and aerospace, it delivers reliable performance and cost savings through reduced downtime.

Specification Summary & Compliance

This shoulder screw adheres to UNC thread standards with a Class 3A thread fit for high precision. Dimensions include a thread diameter of 0.875", shoulder diameter tolerance of -0.004" to -0.002", and shoulder length tolerance of -0.002" to 0.002". It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. Manufactured to meet industrial specifications for hardness (Rockwell B55) and strength, it is suitable for rigorous engineering applications.