S-97042A189 1/4"-28 x 6" 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 thread engagement with Class 2A fit ensures consistent, vibration-resistant connections in critical assemblies
• High tensile strength of 70,000 psi provides exceptional load-bearing capacity for demanding mechanical applications
• Optimized partial threading design allows for secure fastening while minimizing weight and material usage
• Fine UNF thread spacing delivers enhanced clamping force and improved sealing capabilities
• Full compliance with RoHS 3 and REACH environmental standards meets global regulatory requirements
• Right-hand threading with 3/4" thread length enables quick installation and compatibility with standard UNF nuts

Professional Applications & Engineering Value

This 1/4-28 UNF partially threaded stud delivers exceptional engineering value in precision assembly applications where reliability is paramount. The 18-8 stainless steel construction provides excellent corrosion resistance for machinery operating in humid or chemically aggressive environments, while the Class 2A thread fit ensures consistent engagement with mating components, reducing the risk of vibration-induced loosening. The fine UNF threading offers superior clamping force distribution, making it ideal for applications requiring precise torque control in automotive, aerospace, and industrial equipment. With 70,000 psi tensile strength, this stud maintains structural integrity under significant mechanical stress, while the partial threading design allows for optimal load distribution and simplified installation in confined spaces.

Specification Summary & Compliance

This precision partially threaded stud features a 1/4" shaft diameter with ±0.005" tolerance, 5 1/4" shaft length, and 3/4" thread length. Manufactured to UNF fine thread standards with Class 2A external thread fit for consistent dimensional accuracy. The component is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global markets.