S-91025A552 1/4"-20 x 2 1/2" DIN 939 Setup Studs
Setup Studs
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Basic Information
Dimension Parameters
Thread Parameters
End A Parameters
End B Parameters
Material & Strength Parameters
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Key Features & Benefits at a Glance
- Enhanced Durability & Corrosion Resistance - Black-oxide steel surface treatment provides superior protection against rust and wear in demanding industrial environments.
- High Tensile Strength for Secure Fastening - 125,000 psi minimum tensile strength ensures reliable performance under heavy loads and vibration.
- Precision Thread Fit for Consistent Assembly - Class 2A thread fit guarantees smooth engagement and proper alignment in precision applications.
- Double-Ended Threading for Versatile Installation - Threaded on both ends enables flexible mounting and setup configurations.
- Optimized Hardness for Long Service Life - Rockwell C22 minimum hardness maintains thread integrity through repeated use.
- International Standard Compliance - DIN 939 specification ensures compatibility with global engineering requirements.
- Environmentally Compliant Manufacturing - RoHS 3 and REACH certification confirms safe use in regulated industries.
Professional Applications & Engineering Value
These 1/4"-20 threaded setup studs deliver exceptional engineering value in precision assembly applications where alignment accuracy and repeated disassembly are critical. The black-oxide steel construction provides superior corrosion resistance for harsh industrial environments, while the double-ended threading with Class 2A fit ensures precise component positioning in jigs, fixtures, and machinery setups. With 125,000 psi tensile strength and Rockwell C22 hardness, these DIN 939 compliant studs maintain dimensional stability under cyclic loading, making them ideal for manufacturing equipment, automotive tooling, and precision measurement devices where reliable, repeatable fastening is essential for production efficiency and quality control.
Specification Summary & Compliance
These setup studs feature precise Class 2A thread fit with 1/4"-20 threading on both ends, manufactured to DIN 939 specifications for dimensional accuracy. The components meet 125,000 psi minimum tensile strength and Rockwell C22 minimum hardness requirements. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and regulatory acceptance for industrial applications worldwide.
