S-90269A681 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile strength and 35,000 psi shear strength for reliable performance under high stress.
• Precise alignment and reduced wear thanks to the 75mm shoulder with tight diameter tolerance, ensuring stable component positioning.
• Easy installation and removal with a 5mm hex drive and knurled 16mm head, providing excellent grip and torque application.
• Accurate and secure threading with Class 5g6g fit and M8x1.25 coarse thread, minimizing the risk of cross-threading and loosening.
• Enhanced durability and aesthetics from the black oxide finish, which adds a protective layer against abrasion and oxidation.
• Broad compatibility and trust through compliance with ISO 7379, RoHS 3, and REACH, meeting global industrial and environmental standards.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical challenges in precision assemblies, such as in machinery, automotive, and electronic enclosures, where corrosion resistance and dimensional stability are paramount. Made from 316 stainless steel, it withstands corrosive agents and high humidity, reducing maintenance costs and downtime. The 75mm shoulder length and precise shoulder diameter tolerance ensure accurate alignment of moving parts, preventing misalignment and wear in rotating or sliding applications. The black oxide finish enhances surface protection, while the hex drive and knurled head facilitate quick assembly in tight spaces. By integrating a Class 5g6g thread fit and coarse M8x1.25 thread, it delivers reliable fastening in high-vibration settings, making it a versatile solution for industrial and engineering projects demanding longevity and performance.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, with a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm for high precision. It conforms to ISO 7379 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity in industrial use.