S-90269A629 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel material and Black Oxide finish, ideal for harsh industrial environments and outdoor applications.
• Precise component alignment thanks to the 8mm shoulder diameter with tight tolerance, ensuring stable rotational movement and reduced wear.
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength, providing reliable performance under heavy loads.
• Easy installation and removal with a 4mm hex socket drive and knurled head texture, allowing for secure tool grip and efficient assembly.
• Accurate thread engagement with Class 5g6g thread fit and M6x1mm coarse pitch, ensuring consistent fastening and vibration resistance.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, guaranteeing product safety and regulatory acceptance.
• Durable construction with Rockwell B79 hardness, enhancing longevity and reducing replacement frequency in demanding applications.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical challenges in precision machinery, automation systems, and assembly lines. The 316 Stainless Steel composition, combined with a Black Oxide finish, provides exceptional resistance to corrosion, chemicals, and moisture, making it suitable for food processing, marine, and chemical industries. The 22mm shoulder length and precise diameter tolerance enable exact positioning of moving parts, such as gears and pulleys, minimizing misalignment and extending equipment life. The hex socket drive and right-hand thread design facilitate quick installation in confined spaces, while the coarse thread pitch ensures strong holding power against vibrations. Ideal for robotics, conveyor systems, and precision instruments, this screw enhances operational reliability and reduces maintenance downtime.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 standards, with thread specifications including M6x1mm coarse pitch and Class 5g6g thread fit for dimensional accuracy. Shoulder dimensions feature an 8mm diameter with a tolerance of -0.072 to -0.01 mm and a 22mm length with a 0 to 0.25 mm tolerance, ensuring consistent performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for industrial use without hazardous substances.