S-97042A208 5/16"-24 x 3 1/2" Partially Threaded Studs

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
• High tensile strength of 70,000 psi provides dependable load-bearing capacity for demanding mechanical applications.
• Precision Class 2A thread fit guarantees smooth assembly and secure fastening with consistent engagement.
• Fine UNF threading (5/16"-24) offers enhanced vibration resistance and improved sealing capabilities compared to coarse threads.
• Partially threaded design allows for versatile installation where both threaded and unthreaded sections are required.
• Full compliance with RoHS 3 and REACH regulations ensures environmental safety and global market acceptance.
• Right-hand threading with 3/4" thread length enables standard tool compatibility and efficient installation processes.

Professional Applications & Engineering Value

This 5/16"-24 UNF partially threaded stud delivers exceptional engineering value in applications requiring precise fastener alignment and corrosion resistance. The 18-8 stainless steel composition provides excellent durability against chemical exposure and atmospheric conditions, making it ideal for industrial machinery, pump assemblies, and marine equipment. The Class 2A thread fit ensures consistent mating with corresponding nuts and threaded components, reducing assembly time and preventing cross-threading issues. With 3/4" thread length and 2 3/4" shaft length, this stud offers optimal flexibility for applications where both clamped and free-spinning sections are necessary, while the fine UNF threading maintains joint integrity under vibrational stresses common in automotive and aerospace applications.

Specification Summary & Compliance

This partially threaded stud features a 5/16" shaft diameter with tolerance of -0.005" to 0.005", manufactured to UNF fine thread standards with Class 2A external thread fit. The product complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility and material safety. All dimensions conform to inch system measurements with right-hand threading direction, providing reliable performance in precision mechanical assemblies.