S-90265A184 M3 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments.
• Precise component alignment ensured by the 40mm shoulder length with tight tolerances, reducing assembly errors.
• High mechanical strength offering 70,000 PSI tensile and 45,000 PSI shear strength for reliable load-bearing applications.
• Secure and efficient installation with a 2mm hex socket drive and knurled head for enhanced grip and torque application.
• Accurate and durable threading with Class 5g6g fit and coarse 0.5mm pitch, ensuring long-term fastening integrity.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH for global quality and safety assurance.
• Versatile industrial use due to metric M3 sizing and robust design, suitable for machinery, electronics, and automotive assemblies.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, extending service life in demanding conditions like manufacturing equipment or outdoor machinery. The 40mm shoulder length with minimal tolerances ensures precise positioning of moving parts, reducing wear and misalignment in assemblies such as gears, pulleys, or electronic enclosures. Combined with a hex socket drive and knurled head texture, it allows for easy, slip-resistant installation, enhancing productivity in high-vibration environments. Its compliance with ISO 7379 and environmental regulations makes it a reliable choice for B2B procurement in sectors requiring consistent, high-performance shoulder fasteners.

Specification Summary & Compliance

This shoulder screw features a metric M3x0.5 thread with Class 5g6g fit for precise thread engagement, a shoulder diameter of 4 mm with tolerance from -0.072 to -0.01 mm, and shoulder length of 40 mm with tolerance 0 to 0.25 mm. It adheres to ISO 7379 manufacturing standards and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality in industrial use.