S-90269A366 M16 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and extended service life.
• Precise component alignment ensured by the 20mm shoulder diameter with tight tolerance control (-0.072 to -0.01 mm), reducing assembly errors.
• High mechanical strength offering 70,000 PSI tensile and 35,000 PSI shear strength for reliable performance under heavy loads.
• Excellent wear resistance from Rockwell B79 hardness, maintaining dimensional stability and thread integrity.
• Secure and easy installation with a 10mm hex socket drive and knurled head for improved grip and torque application.
• Standardized compatibility via M16x2 coarse metric threads with Class 5g6g fit, ensuring interchangeability and ease of sourcing.
• Compliance with global regulations including RoHS 3 and REACH, making it suitable for international industrial supply chains.

Professional Applications & Engineering Value

This M16x2 metric shoulder screw is engineered to address critical alignment and mounting challenges in industrial machinery, automation systems, and precision equipment. The 316 stainless steel material provides exceptional resistance to corrosion and chemicals, which is vital for operations in demanding environments like marine, chemical processing, or food manufacturing. The precisely machined 20mm shoulder diameter with tight tolerances allows for accurate positioning of components such as gears, bearings, and linkages, minimizing vibration and misalignment. Combined with a coarse thread and Class 5g6g thread fit, it ensures quick assembly and reliable fastening under dynamic loads. The hex socket drive and knurled head enhance installation efficiency, reducing tool slippage and maintenance downtime. Ideal for applications requiring robust, corrosion-resistant shoulder screws that maintain integrity in high-stress scenarios.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 standards, with a Class 5g6g thread fit ensuring precise dimensional accuracy. The shoulder diameter tolerance is controlled between -0.072 to -0.01 mm, and the shoulder length tolerance is 0 to 0.25 mm, providing consistent performance in alignment applications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and global industrial use.