S-90269A648 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and black oxide finish, ideal for harsh environments and extended service life.
• Enhanced durability and load-bearing capacity from a high tensile strength of 70,000 psi and Rockwell B79 hardness, reducing failure risks.
• Precise component alignment and reduced wear thanks to the 80mm shoulder with tight diameter tolerance, ensuring stable rotational movement.
• Secure, slip-resistant installation enabled by the knurled head and 4 mm hex socket drive, allowing for high-torque applications.
• Reliable thread engagement and interchangeability with Class 5g6g thread fit and M6x1mm coarse pitch, conforming to metric standards.
• Compliance with international safety and environmental regulations, including RoHS 3 and REACH, for global industrial use.
• Optimized for automated assembly with consistent dimensions per ISO 7379, improving production efficiency and part reliability.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical challenges in precision machinery, such as misalignment and corrosion-induced failure. The 316 Stainless Steel material, combined with a black oxide finish, provides exceptional resistance to chemicals and moisture, making it suitable for automotive, marine, and food processing equipment. The 80mm shoulder length and precise shoulder diameter tolerance ensure accurate positioning of moving parts like bearings and pulleys, reducing vibration and wear. With a hex socket drive and knurled head, it offers secure handling in high-stress applications, while the Class 5g6g thread guarantees consistent fastening in industrial assemblies, enhancing overall system longevity and performance.

Specification Summary & Compliance

This shoulder screw features a metric M6x1mm coarse thread with Class 5g6g thread fit for precise tolerance. The shoulder diameter is 8 mm with a tolerance of -0.072 to -0.01 mm, and shoulder length is 80 mm with a tolerance of 0 to 0.25 mm, ensuring dimensional accuracy. It complies with ISO 7379 manufacturing standards and is verified to be RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety requirements for industrial components.