S-90265A189 M3 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and extended service life.
• High mechanical strength offering 70,000 psi tensile and 45,000 psi shear strength for reliable performance under heavy loads.
• Precise shoulder fit with a 5mm diameter and 6mm length, ensuring accurate alignment and reduced assembly vibration.
• Efficient torque transmission via the 2.5mm hex socket drive, minimizing slippage and tool wear during installation.
• Enhanced grip and handling from the knurled head texture, facilitating manual adjustments in tight spaces.
• Consistent thread engagement with Class 5g6g fit and coarse 0.5mm pitch, speeding up assembly while maintaining secure fastening.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment and durability challenges in precision assemblies. The 18-8 stainless steel material provides excellent resistance to rust and corrosion, making it suitable for applications in electronics, machinery, and automotive sectors where exposure to moisture or chemicals is common. The hex socket drive and knurled head allow for secure tool engagement and easy manual handling, reducing installation time and preventing damage to components. With a 5mm shoulder diameter and 6mm shoulder length, it ensures precise positioning of moving parts, minimizing wear and improving overall system reliability. Ideal for use in jigs, pivots, and rotating mechanisms, this metric shoulder screw delivers consistent performance under dynamic loads, supported by its high tensile and shear strengths.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit with M3 x 0.5mm coarse pitch for reliable fastening. Shoulder dimensions include a diameter of 5 mm (tolerance: -0.072 to -0.01 mm) and length of 6 mm (tolerance: 0 to 0.25 mm), ensuring high precision in assembly. It meets ISO 7379 specifications for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, guaranteeing safe and sustainable use in industrial applications.