S-92183A481 5/8"-11 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• Superior torque transmission and reduced tool slippage thanks to the 1/2" hex drive and knurled head for a secure grip.
• High load-bearing capacity and structural integrity with a tensile strength of 70,000 psi and a minimum shear strength of 35,000 psi.
• Precise alignment and smooth rotation for components due to the standard shoulder fit and controlled diameter tolerance.
• Reliable, coarse UNC thread (5/8"-11) with a Class 3A fit for secure fastening and easy assembly in high-vibration applications.
• Versatile shoulder length options (2" to 3.99") to accommodate various assembly spacing requirements.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This 18-8 stainless steel shoulder screw is engineered to solve critical alignment and durability challenges in demanding industrial applications. The precision-machined shoulder provides a consistent bearing surface, preventing component misalignment and reducing wear in machinery, conveyor systems, and precision assemblies. The coarse 5/8"-11 UNC thread ensures rapid assembly and maintains a secure hold even under high-vibration conditions, while the 1/2" hex drive and knurled head allow for high-torque installation without cam-out. Made from corrosion-resistant 18-8 stainless steel, it offers long-term reliability in environments exposed to moisture and chemicals, making it an essential component for OEMs and maintenance teams seeking to minimize downtime and ensure operational consistency.

Specification Summary & Compliance

This shoulder screw adheres to UNC coarse thread standards with a precision Class 3A thread fit for consistent engagement. The shoulder features a diameter of 7/8" with a tight tolerance of -0.004" to -0.002" and a length tolerance of -0.002" to 0.002" for exacting assembly requirements. The material is hardened to Rockwell B55 for durability. The product is manufactured to be fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent international regulations for hazardous substances.