S-97832A269 5/16"-18 ASME B18.3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments.
• Precise component alignment ensured by the Class 3A thread fit and standard shoulder, reducing assembly errors.
• High mechanical strength with 70,000 psi tensile and 35,000 psi minimum shear strength for demanding applications.
• Secure and easy installation provided by the 3/16" hex drive and knurled head, preventing tool slippage.
• Reliable coarse threading (5/16"-18 UNC) for faster assembly and reduced cross-threading risk.
• Compliance with major standards including ASME B18.3, ensuring interchangeability and quality.
• Environmental regulation adherence via RoHS 3 and REACH compliance, suitable for regulated industries.

Professional Applications & Engineering Value

This 18-8 Stainless Steel shoulder screw is engineered to address critical challenges in industrial assembly, such as misalignment and component wear. Its Class 3A thread fit and standard shoulder provide exact positioning for machinery parts, reducing vibration-induced failures. The coarse UNC threads enable quick, secure fastening in high-vibration environments, while the knurled head and hex drive offer superior grip during torque application. Ideal for precision equipment, automotive jigs, and conveyor systems, it ensures long-term reliability and minimizes maintenance downtime.

Specification Summary & Compliance

This shoulder screw adheres to Class 3A thread fit tolerances for high precision, with UNC coarse threading (5/16"-18). Manufacturing conforms to ASME B18.3 specifications, and the product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.