S-97042A179 1/4"-28 x 1 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 thread engagement with Class 2A fit ensures consistent, vibration-resistant connections in critical assemblies.
• High tensile strength of 70,000 psi provides dependable load-bearing capacity for demanding mechanical applications.
• Fine UNF thread spacing offers improved adjustment accuracy and superior clamping force distribution.
• Partial threading design allows for secure fastening at one end while enabling easy component alignment on the unthreaded shaft.
• Full regulatory compliance with RoHS 3 and REACH standards ensures environmental safety and global market acceptance.
• Right-hand thread direction delivers standard, intuitive installation compatible with common industrial practices.

Professional Applications & Engineering Value

This 1/4"-28 UNF partially threaded stud delivers critical engineering advantages in precision assemblies where corrosion resistance and mechanical integrity are paramount. The 18-8 stainless steel construction prevents rust and degradation in demanding environments, from marine equipment to food processing machinery. The Class 2A thread fit with fine UNF threading ensures tight tolerances and vibration resistance in dynamic load applications, while the partial threading design provides versatility for mounting components that require both fixed attachment and adjustable positioning. This stud solves common fastening challenges by combining 70,000 psi tensile strength with precise dimensional control, making it ideal for automotive subsystems, electronic enclosures, and industrial machinery where reliability cannot be compromised.

Specification Summary & Compliance

This stud maintains Class 2A thread fit per UNF standards with shaft diameter tolerance of -0.005" to 0.005" for precision alignment. Manufacturing follows inch system specifications with 1/4"-28 UNF fine threading and 3/4" thread length. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international environmental and safety standards for industrial components.