S-92981A250 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional Strength & Durability: Made from high-strength alloy steel with a Rockwell C32 hardness, providing reliable performance and resistance to wear in demanding applications.
• Corrosion-Resistant Black Oxide Finish: Enhances surface protection against rust and oxidation, extending the screw's service life in various industrial environments.
• Precision Shoulder for Accurate Alignment: Features a 45mm shoulder length with tight tolerances, ensuring precise component positioning and reducing assembly errors.
• High Load-Bearing Capacity: Offers a tensile strength of 140,000 psi and a minimum shear strength of 84,000 psi, suitable for high-stress mechanical assemblies.
• Secure Hex Drive Installation: Equipped with a 4mm hex drive socket head for easy, slip-resistant tightening using standard tools, improving installation efficiency.
• Standardized Metric Threads: M6x1mm coarse right-hand threads with Class 5g6g fit ensure consistent, reliable fastening and compatibility with metric components.
• Compliance with International Standards: Meets ISO 7379 specifications and is RoHS 3 and REACH compliant, guaranteeing safety and environmental responsibility.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and load-bearing challenges in precision machinery. The alloy steel construction and black oxide finish provide superior corrosion resistance and durability, making it ideal for applications in automotive, aerospace, and industrial equipment where exposure to harsh conditions is common. The 45mm shoulder length with controlled tolerances ensures exact positioning of moving parts, such as in gears, pulleys, and linkages, reducing vibration and wear. Its high tensile and shear strength supports heavy dynamic loads, while the socket head design allows for compact, tool-accessible installations. By integrating ISO 7379 standards and metric thread specifications, this screw delivers consistent performance, minimizing downtime and maintenance costs in precision engineering projects.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring high accuracy for Class 5g6g thread fit. It conforms to ISO 7379 for metric shoulder fasteners and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for environmentally conscious and regulated industries.