S-90265A166 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and reducing maintenance costs.
• Precise component alignment enabled by the 40mm shoulder length with tight tolerances, ensuring stable and accurate assembly.
• High mechanical strength offering 70,000 psi tensile strength and Rockwell B55 hardness for reliable performance under heavy loads.
• Secure and flush installation with a knurled socket head and hex drive, preventing cam-out and providing a clean finish.
• Consistent and reliable threading with Class 5g6g fit and M8x1.25mm coarse pitch for easy assembly and strong holding power.
• Compliance with international standards including ISO 7379, ensuring interchangeability and quality for global engineering projects.
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting strict regulatory requirements for hazardous substances.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. Made from 18-8 stainless steel, it provides excellent corrosion resistance, making it suitable for machinery, automotive, and electronic assemblies exposed to moisture or chemicals. The 40mm shoulder length with minimal tolerance ensures precise positioning of moving parts, reducing wear and misalignment. The hex socket drive and knurled head allow for secure tightening in confined spaces, while the Class 5g6g thread fit guarantees consistent engagement. With ISO 7379 certification, this metric shoulder screw delivers reliability in high-stress environments, enhancing equipment longevity and reducing downtime.

Specification Summary & Compliance

This shoulder screw features precise dimensional tolerances, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm. The thread fit conforms to Class 5g6g under metric standards, ensuring accurate and secure fastening. It meets ISO 7379 specifications for quality and performance. Additionally, the product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, adhering to environmental and safety regulations for hazardous substances.