S-97042A182 1/4"-28 x 2 1/2" Partially Threaded Studs

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction for long-lasting performance in harsh industrial environments
• Precise assembly alignment enabled by tight shaft diameter tolerance of ±0.005" for reliable fit and reduced installation errors
• High-strength holding power with 70,000 psi tensile strength to withstand significant mechanical loads in demanding applications
• Optimized thread engagement through Class 2A thread fit and UNF fine thread spacing, ensuring secure fastening and vibration resistance
• Flexible installation options with partial threading and right-hand thread direction for versatile mounting configurations
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries
• Reduced maintenance needs due to stainless steel's durability and fine thread design that maintains integrity under repeated use

Professional Applications & Engineering Value

This 1/4"-28 UNF partially threaded stud delivers critical engineering value in precision assembly systems where corrosion resistance and dimensional stability are paramount. The 18-8 stainless steel construction prevents rust formation in moisture-prone environments, while the Class 2A thread fit and fine thread spacing provide superior vibration resistance in machinery, automotive, and electronic enclosures. The partial threading design allows for precise depth control in blind hole applications, eliminating the need for additional locking components. With its 70,000 psi tensile strength, this stud maintains structural integrity in high-stress points, making it ideal for mounting brackets, motor assemblies, and precision instrumentation 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 complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The 1/4"-28 UNF fine thread configuration provides secure fastening in inch-measurement systems, with threading limited to one end for specialized assembly requirements.