S-90269A339 M12 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments including chemical and marine applications.
• High mechanical strength and durability with 70,000 psi tensile strength and Rockwell B79 hardness, ensuring long-term reliability under heavy loads.
• Precise alignment and smooth rotation provided by the 16mm shoulder diameter with tight tolerance, reducing wear on mating components.
• Secure and easy installation with an 8mm hex socket drive and knurled head for improved grip and torque application.
• Accurate and reliable threading with Class 5g6g thread fit and 1.75mm coarse pitch, enabling quick assembly and vibration resistance.
• Versatile industrial compatibility meeting ISO 7379 standards, ensuring interchangeability and performance in global machinery designs.
• Environmental and safety compliance with RoHS 3 and REACH regulations, supporting sustainable and safe manufacturing practices.

Professional Applications & Engineering Value

This M12 shoulder screw in 316 Stainless Steel is engineered to address critical challenges in precision machinery and heavy-duty equipment. The 40mm shoulder length and 16mm shoulder diameter provide a stable pivot and alignment surface, minimizing misalignment and component wear in assemblies like rotating shafts, linkages, and bearing mounts. The coarse thread pitch and Class 5g6g thread fit ensure rapid, secure fastening even in high-vibration environments, while the socket head with 8mm hex drive allows for compact installation in confined spaces. Its corrosion-resistant properties make it suitable for applications in chemical processing, marine, and food industries, where durability and hygiene are paramount. By integrating ISO 7379 standards, this shoulder screw delivers consistent performance, reducing downtime and maintenance costs in demanding industrial settings.

Specification Summary & Compliance

This shoulder screw features precise dimensional tolerances, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring exact fit and function. The metric thread adheres to Class 5g6g standards for reliable engagement, and the product is manufactured in compliance with ISO 7379 specifications. It is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety requirements for industrial use.