S-90281A105 5/16"-18 x 4" 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 corrosion resistance with black-oxide steel coating, extending service life in demanding industrial environments
- Precise thread engagement with Class 2A thread fit ensuring reliable assembly and reduced cross-threading risks
- Superior load-bearing capacity with 125,000 psi tensile strength for heavy-duty applications
- Consistent mechanical performance maintained through Rockwell C22 hardness for repeated use without deformation
- Dual-threaded design efficiency with 1 1/8" threading on both ends enabling quick installation and versatile mounting options
- Global compliance assurance meeting DIN 939 standards plus RoHS 3 and REACH certifications for international project compatibility
- Optimized 4" length providing ideal spacing and alignment in machinery setup and fixture applications
Professional Applications & Engineering Value
These 5/16"-18 threaded setup studs deliver critical precision in industrial assembly where alignment stability and repeatable fastening are paramount. The black-oxide steel construction resists environmental degradation while the Class 2A thread fit maintains consistent torque transmission across vibration-prone equipment. Engineered with double-ended threading and standardized 1 1/8" engagement lengths, they eliminate custom machining in jig construction, mold setting, and automated machinery alignment. Their 125,000 psi tensile strength and Rockwell C22 hardness prevent thread stripping under cyclical loading, making them ideal for production fixtures requiring frequent component changes without fastener replacement.
Specification Summary & Compliance
Manufactured to DIN 939 specifications with Class 2A thread fit tolerances ensuring interchangeability. The 4" length features 1 1/8" threaded sections on both ends with 5/16"-18 unified thread form. Mechanical properties include minimum 125,000 psi tensile strength and Rockwell C22 hardness. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations for hazardous substance restrictions.
