S-97042A181 1/4"-28 x 2" Partially Threaded Studs

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• High tensile strength of 70,000 psi ensures secure fastening under significant mechanical stress and vibration.
• Precision Class 2A thread fit guarantees smooth assembly and reliable engagement with mating components.
• Fine UNF threading (1/4"-28) provides superior vibration resistance and improved load distribution compared to coarse threads.
• Right-hand threading offers standard, intuitive installation for efficient assembly line operations.
• Tight shaft diameter tolerance (±0.005") ensures consistent fit and alignment in precision applications.
• Full compliance with RoHS 3 and REACH meets stringent environmental regulations for global industrial use.

Professional Applications & Engineering Value

This 1/4"-28 UNF partially threaded stud is engineered for demanding applications where corrosion resistance and mechanical reliability are critical. The 18-8 Stainless Steel material provides excellent durability against moisture, chemicals, and temperature variations, making it suitable for industrial machinery, automotive assemblies, and electronic enclosures. The fine UNF thread and Class 2A fit ensure minimal backlash and secure fastening in high-vibration environments, reducing maintenance needs and preventing thread stripping. With 3/4" thread length on one end, it allows for flexible mounting and easy adjustment in complex assemblies, enhancing design efficiency and operational safety.

Specification Summary & Compliance

This stud features a 1/4" shaft diameter with a tolerance of -0.005" to 0.005", 1/4"-28 UNF fine thread with Class 2A external thread fit, and right-hand thread direction. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability for industrial and export requirements.