S-90265A234 M5 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior Corrosion Resistance: Made from 18-8 Stainless Steel to withstand harsh industrial environments, reducing maintenance and replacement costs.
• High Strength & Durability: Offers a 70,000 psi tensile strength and Rockwell B83 hardness for reliable performance under high-stress conditions.
• Precision Alignment & Smooth Rotation: Features an 8mm shoulder with controlled tolerances for accurate component location and reduced wear.
• Efficient Torque Transmission: Hex socket drive (3mm) allows for high torque application and secure fastening in confined spaces.
• Reliable Thread Engagement: Class 5g6g thread fit on the M5x0.8 coarse pitch thread ensures consistent, vibration-resistant connections.
• Broad Industry Compliance: Manufactured to ISO 7379 standards, ensuring dimensional accuracy and interchangeability.
• Environmental & Safety Assurance: Compliant with RoHS 3 and REACH regulations, making it safe for various industrial and export applications.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to solve critical alignment and pivot point challenges in precision assemblies. The 18-8 Stainless Steel construction provides excellent corrosion resistance, essential for machinery in humid or chemically aggressive environments like food processing, packaging, and outdoor equipment. The 8mm shoulder length with precise diameter tolerances acts as a sturdy axle or locating dowel, preventing lateral movement and ensuring smooth rotational movement in linkages, gears, and bearings. The hex socket head design allows for high-torque installation without slippage, even in tight spaces, enhancing assembly efficiency. Its coarse thread (0.8mm pitch) and Class 5g6g fit provide quick assembly and reliable holding power, reducing the risk of loosening under dynamic loads. Ideal for use in automated machinery, conveyor systems, and precision instruments, this screw delivers long-term reliability and reduces downtime.

Specification Summary & Compliance

This precision shoulder screw features an M5x0.8 metric coarse thread with a Class 5g6g thread fit for consistent engagement. The shoulder diameter is 6.5 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 8 mm with a tolerance of 0 to 0.25 mm, ensuring precise component alignment. It is manufactured in compliance with the ISO 7379 standard for dimensional and mechanical properties. The product is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting stringent environmental and safety regulations for industrial use.