S-90281A728 1/2"-13 x 4" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-oxide steel coating for prolonged service life in demanding environments
• Precise thread engagement with Class 2A fit ensuring reliable connections and reduced assembly time
• High tensile strength of 125,000 psi for secure fastening under heavy loads and vibration
• Balanced threading on both ends (1½" each) for versatile installation and alignment in machinery setups
• Superior hardness (Rockwell C22) providing excellent wear resistance and durability
• Compliance with DIN 939 standards guaranteeing dimensional accuracy and international interoperability
• Environmental regulatory adherence with RoHS 3 and REACH compliance for safe global sourcing

Professional Applications & Engineering Value

These black-oxide steel setup studs are engineered to address critical challenges in industrial assembly, such as misalignment and component fatigue. The 1/2"-13 threading on both ends with a Class 2A thread fit ensures rapid, accurate positioning in jigs, fixtures, and machinery, minimizing downtime. The high tensile strength (125,000 psi) and Rockwell C22 hardness provide resilience against dynamic stresses in automotive, aerospace, and heavy equipment applications. By conforming to DIN 939 specifications, these studs deliver consistent performance in precision engineering setups, enhancing operational reliability and reducing maintenance costs.

Specification Summary & Compliance

This product features a 4" length with 1½" threaded sections on both ends, manufactured to Class 2A thread fit tolerances for precise engagement. It meets DIN 939 standards for dimensional consistency and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety requirements in industrial supply chains.