S-90281A114 5/16"-18 x 5" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance with Black-Oxide Steel coating, extending service life in demanding industrial environments.
• Superior Tensile Strength of 125,000 psi ensures reliable performance under high-stress conditions, reducing the risk of mechanical failure.
• Precision Thread Fit (Class 2A) guarantees consistent, secure fastening with minimal play, ideal for applications requiring exact alignment.
• Double-Ended Threading (1 1/8" on each end) allows for versatile installation and easy adjustment in setup and fixturing applications.
• High Hardness (Rockwell C22) provides excellent wear resistance, maintaining thread integrity through repeated use.
• Compliance with DIN 939 Standard ensures dimensional accuracy and interchangeability, facilitating seamless integration into existing systems.
• Environmental & Regulatory Safety with RoHS 3 and REACH compliance, meeting strict international standards for hazardous substance restrictions.

Professional Applications & Engineering Value

These 5/16"-18 threaded setup studs are engineered to address critical challenges in precision assembly and fixturing. The Black-Oxide Steel construction offers superior corrosion resistance, essential for maintaining performance in humid or chemically aggressive industrial settings. With threading on both ends and a Class 2A thread fit, they provide exceptional alignment accuracy and ease of installation in machinery setup, jigs, and molds. The high tensile strength (125,000 psi) and Rockwell C22 hardness ensure durability under cyclic loads, reducing downtime and maintenance costs. Ideal for CNC machining fixtures, automotive tooling, and precision equipment assembly, these DIN 939 compliant studs deliver reliable, repeatable performance where dimensional stability is paramount.

Specification Summary & Compliance

These setup studs feature a 5" length with 5/16"-18 unified threads on both ends, each with a 1 1/8" thread length. They adhere to Class 2A thread fit tolerances for consistent engagement and are manufactured to meet DIN 939 specifications for dimensional accuracy. The studs comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring they are free from restricted hazardous substances and suitable for global industrial applications.