S-93712A700 1/2"-20 x 2" Partially Threaded Studs with Cotter Pin

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
• Precise and secure fastening ensured by the Class 2A thread fit and 1/2"-20 UNF fine threading, reducing the risk of loosening under vibration.
• Enhanced mechanical strength with a Rockwell B89 hardness, providing reliable performance in high-stress applications.
• Quick and reliable safety locking with the integrated 2" hairpin cotter pin, preventing accidental disassembly.
• Excellent dimensional stability due to the tight shaft diameter tolerance of ±0.005", ensuring consistent fit and function.
• Versatile partial threading design with a 1" threaded length and 1" unthreaded shaft, offering flexibility for various assembly needs.
• Safe for regulated industries as it is fully compliant with RoHS 3 and REACH environmental standards.

Professional Applications & Engineering Value

This partially threaded stud with cotter pin is engineered to solve critical challenges in machinery assembly, automotive systems, and heavy equipment. The 18-8 Stainless Steel material provides excellent resistance to rust and corrosion, which is vital for outdoor or humid operational environments. The 1/2"-20 UNF fine thread and Class 2A fit deliver a precise, vibration-resistant connection, minimizing maintenance needs and preventing joint failure. The integrated hairpin cotter pin offers a fast, reusable locking mechanism, enhancing safety in dynamic applications where components are subject to movement or load shifts. This combination of durable materials, precision threading, and secure locking makes it an indispensable component for engineers seeking reliability and longevity in their designs.

Specification Summary & Compliance

This stud adheres to UNF thread standards with a Class 2A external thread fit, ensuring high dimensional accuracy and interchangeability. The shaft diameter is manufactured to a tight tolerance of -0.005" to 0.005" for consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in various industrial and consumer applications without hazardous substances.