S-90269A256 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior Corrosion Resistance – Made from 316 stainless steel, this shoulder screw withstands harsh environments, reducing maintenance and replacement costs.
• High Mechanical Strength – With a 70,000 psi tensile strength and Rockwell B79 hardness, it ensures reliable performance under heavy loads and vibration.
• Precision Shoulder Alignment – The 8mm shoulder diameter with tight tolerance provides accurate component positioning, minimizing assembly errors.
• Secure and Easy Installation – The knurled socket head and 4 mm hex drive offer improved grip and torque application, speeding up assembly while preventing tool slippage.
• Durable Thread Design – M6x1mm coarse threads with Class 5g6g fit enable quick engagement and high resistance to stripping in dynamic applications.
• Compliance with Global Standards – Meets ISO 7379 for dimensional accuracy and is RoHS 3 and REACH compliant, ensuring safe use in regulated industries.
• Optimized for Industrial Use – The 9mm shoulder length and right-hand thread direction provide stable mounting in machinery, jigs, and rotating assemblies.

Professional Applications & Engineering Value

This M6 shoulder screw in 316 stainless steel is engineered to address critical alignment and corrosion challenges in precision assemblies. The socket head with knurled texture ensures secure fastening in high-vibration environments, while the 8mm shoulder diameter acts as a precise pivot or spacer in rotating parts, reducing wear and misalignment. Its coarse metric thread (M6x1mm) and Class 5g6g thread fit facilitate quick installation and reliable performance in industrial equipment, automation systems, and marine applications. By combining high tensile and shear strength with ISO 7379 compliance, this screw delivers long-term reliability, minimizing downtime in demanding sectors like manufacturing, robotics, and chemical processing.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 for dimensional standards, with a thread fit of Class 5g6g ensuring precise engagement. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, guaranteeing accurate fits in assemblies. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safety-critical industrial applications.