S-91025A855 3/4"-10 x 5" DIN 939 Setup Studs

Key Features & Benefits at a Glance

• Enhanced Durability & Corrosion Resistance: Black-oxide steel finish provides superior protection against rust and wear in demanding industrial settings, extending service life.
• High Tensile Strength for Heavy-Duty Applications: Minimum 125,000 psi tensile strength ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Precision Thread Fit for Secure Fastening: Class 2A thread fit guarantees consistent, accurate engagement with mating components, minimizing vibration loosening and improving assembly reliability.
• Dual-End Threading for Versatile Setup: Threaded on both ends (1 3/4" and 1" lengths) allows flexible installation in various machining and tooling configurations, saving time and effort.
• Rigorous Material Hardness for Longevity: Rockwell C22 minimum hardness ensures the stud maintains its structural integrity and resists deformation during repeated use.
• Compliance with International Standards: Meets DIN 939 specifications and is RoHS 3 & REACH compliant, ensuring safety, environmental responsibility, and global acceptability.
• Optimized for Precision Machining: Designed specifically for setup applications, these studs enhance accuracy and efficiency in jig and fixture assemblies.

Professional Applications & Engineering Value

These DIN 939 setup studs are engineered to address common challenges in precision machining and industrial tooling, where stability and repeatability are critical. The black-oxide steel construction offers excellent corrosion resistance, reducing maintenance needs in humid or aggressive environments. With threading on both ends and a Class 2A thread fit, they provide secure, vibration-resistant connections in jigs, fixtures, and clamping systems, minimizing downtime and improving machining accuracy. The high 125,000 psi tensile strength and Rockwell C22 hardness ensure durability under heavy loads, making them ideal for CNC machining, mold making, and assembly lines. By integrating these studs, engineers can achieve faster setups, enhanced safety, and consistent performance in demanding applications like automotive manufacturing and aerospace tooling.

Specification Summary & Compliance

This product adheres to DIN 939 standards with a Class 2A thread fit for precise dimensional accuracy. It features a 3/4"-10 thread size, threaded on both ends with specified thread lengths (A: 1 3/4", B: 1"), and is manufactured from high-strength steel. Compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets environmental and safety regulations for hazardous substances.