S-90281A638 3/8"-16 x 3 1/2" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Superior corrosion resistance with black-oxide steel coating for extended service life in demanding industrial environments
• Precise dual-end threading with Class 2A fit ensures reliable, vibration-resistant connections in assembly applications
• Exceptional load-bearing capacity with 125,000 psi tensile strength for heavy-duty mechanical setups
• Consistent performance maintained through Rockwell C22 hardness rating for dimensional stability under stress
• Global compliance assurance meeting DIN 939 standards for international engineering projects
• Environmental regulation compliance with RoHS 3 and REACH certifications for sustainable manufacturing operations
• Optimized 3½" length with balanced 1¼" threaded sections for versatile positioning and alignment applications

Professional Applications & Engineering Value

These black-oxide steel setup studs deliver critical performance in industrial assembly systems where corrosion resistance and mechanical reliability are paramount. The 3/8"-16 threading on both ends with Class 2A fit provides superior engagement in precision fixtures and jigs, eliminating play while maintaining easy disassembly for manufacturing flexibility. Engineered to DIN 939 specifications, these studs offer consistent dimensional accuracy for international projects, while the 125,000 psi tensile strength ensures they withstand repeated cycling in production environments. The combination of Rockwell C22 hardness and protective black-oxide finish makes them ideal for automotive tooling, machinery alignment, and industrial equipment maintenance where durability and corrosion protection are essential.

Specification Summary & Compliance

These setup studs maintain Class 2A thread fit tolerance for precise engagement in industrial applications. Manufacturing complies with DIN 939 standards for dimensional consistency and mechanical properties. The products are certified RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substance restrictions. The 3/8"-16 thread size and 3½" overall length with balanced threading provides reliable performance in alignment and setup applications across various industrial sectors.