S-97042A186 1/4"-28 x 4 1/2" Partially Threaded Studs

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Precise assembly and secure fastening ensured by Class 2A thread fit and fine UNF threading, reducing the risk of cross-threading.
• High tensile strength of 70,000 psi provides dependable load-bearing capacity for demanding mechanical applications.
• Optimized design with partial threading allows for easy adjustment and secure locking in assemblies requiring precise positioning.
• Compliance with RoHS 3 and REACH standards ensures environmental safety and meets international regulatory requirements.
• Right-hand thread direction offers compatibility with standard tools and simplifies installation processes.
• Durable and maintenance-free performance due to the material's inherent resistance to rust and oxidation.

Professional Applications & Engineering Value

This 1/4"-28 UNF partially threaded stud is engineered to address critical challenges in industrial settings, such as vibration loosening and corrosion-induced failure. The 18-8 stainless steel material provides excellent resistance to moisture and chemicals, making it suitable for applications in marine, automotive, and food processing industries. The Class 2A thread fit and fine thread spacing ensure tight tolerances and reliable engagement, reducing the need for frequent maintenance. Its partially threaded design allows for versatile use in assemblies where unthreaded sections provide added strength or clearance. Ideal for securing components in machinery, electronic enclosures, and structural frameworks, this stud delivers consistent performance under stress, enhancing the longevity and safety of your equipment.

Specification Summary & Compliance

This stud features a 1/4" shaft diameter with a tolerance of -0.005" to 0.005", 3/4" thread length, and overall 4 1/2" length. It adheres to UNF thread standards with Class 2A thread fit for precise external threading. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets environmental and safety standards for industrial use.