S-90281A771 1/2"-13 x 7 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
- Superior corrosion resistance with black-oxide steel finish, extending service life in demanding industrial environments
- Precise thread engagement with Class 2A fit ensures reliable installation and reduces cross-threading risks
- Exceptional load-bearing capacity with 125,000 psi tensile strength for heavy-duty applications
- Consistent mechanical performance maintained through Rockwell C22 hardness specification
- Dual-threaded design enables efficient setup changes and versatile mounting configurations
- International compliance with DIN 939 standard guarantees dimensional accuracy and interchangeability
- Environmental responsibility through RoHS 3 and REACH compliance for sustainable operations
Professional Applications & Engineering Value
These black-oxide steel setup studs solve critical alignment and mounting challenges in precision machinery and fixture applications. The 1/2"-13 threading on both ends with Class 2A thread fit provides exceptional dimensional stability for repeated assembly/disassembly cycles in jigs, molds, and industrial equipment. The 7 1/2" length offers optimal spacing for complex setups while maintaining structural integrity under 125,000 psi tensile loads. Engineered to DIN 939 specifications, these threaded studs deliver reliable performance in manufacturing environments where vibration resistance and precise positioning are critical. The black-oxide surface treatment provides essential corrosion protection without compromising dimensional tolerances, making them ideal for automotive, aerospace, and heavy machinery applications requiring durable, precision fastening solutions.
Specification Summary & Compliance
Manufactured to DIN 939 standard with Class 2A thread fit tolerance ensuring precise engagement. Features 1 1/2" threaded length on both ends of the 7 1/2" stud with 1/2"-13 thread size. Mechanical properties include 125,000 psi minimum tensile strength and Rockwell C22 hardness. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions.
