S-90269A640 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure.
• Enhanced durability and wear resistance from the black oxide finish, providing a protective layer against abrasion and reducing galling.
• Precise alignment and smooth rotation enabled by the 28mm shoulder with controlled diameter tolerance, minimizing component wear.
• High mechanical strength with a tensile strength of 70,000 psi and Rockwell B79 hardness, ensuring reliable performance under heavy loads.
• Secure and efficient installation using the 4mm hex socket drive, allowing for high torque application without slippage.
• Accurate and reliable thread engagement with Class 5g6g thread fit and M6x1mm coarse thread, facilitating quick assembly and vibration resistance.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, ensuring product safety and environmental responsibility.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. Made from 316 stainless steel and featuring a black oxide finish, it offers exceptional resistance to corrosion and oxidation, making it suitable for machinery, automotive assemblies, and marine equipment. The 28mm shoulder length provides a precise unthreaded section for accurate component positioning, reducing misalignment and wear in rotating parts. With a hex socket drive and right-hand metric thread, it ensures easy installation and high clamping force, while the class 5g6g thread fit guarantees consistent performance in dynamic environments. This screw is ideal for applications requiring reliable shoulder bolts with high tensile and shear strength, supporting long-term operational efficiency.

Specification Summary & Compliance

This shoulder screw features an 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 28 mm with a tolerance of 0 to 0.25 mm, ensuring accurate fit. It complies with ISO 7379 manufacturing standards and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for industrial use.